APPSC Geophysics Technical Assistant Exam Pattern 2023 & Syllabus, check more details from here

Exam Pattern/Syllabus & Instructions for APPSC Geophysics Technical Assistants, APPSC has published the Technical Assistants (Geophysics) 2023 recruitment notification and applications are invited online from qualified candidates to the post of Technical Assistants (Geophysics) in A.P. Ground Water Subordinate Service (General Recruitment) in the State of Andhra Pradesh. Exam Pattern, Scheme of exam, Syllabus, Online exam and Offline Instructions for APPSC Technical Assistants (Geophysics) 2023

Scheme of Exam: Exam Pattern/Syllabus & Instructions for APPSC Geophysics Technical Assistants

    WRITTEN EXAMINATION   (Degree standard) (Objective Type)     Maximum Marks     No. of Questions     Duration
General Studies & Mental Ability
   150 Marks   150 Qns.   150 Minutes
    150 Marks  150 Qns.     150 Minutes
    Total  300 Marks

NEGATIVE MARKS: As per G.O.Ms. No.235, Finance (HR-I, Plg & Policy) Dept., Dt. 06/12/2016, for each wrong answer, will be penalized with 1/3rd of the marks prescribed for the question.

SYLLABUS: Exam Pattern/Syllabus & Instructions for APPSC Geophysics Technical Assistants


1. Events of national and international importance.
2. Current affairs- international, national and regional.
3. Basics of General Science and their relevance to the day to day life. Current developments in science, technology and information technology
4. History of Modern India with emphases upon Indian national movement.
5. Economic development in India since independence.

6. Logical reasoning, analytical ability, and data interpretation.
7. Basic things about Disaster management (CBSE-VIII & IX Standard).
8. Geography of India with focus on A.P
9. Indian Constitution and Polity.
10. Sustainable Development and Environmental Protection

11. Bifurcation of Andhra Pradesh and its Administrative, Economic, Social, Cultural, Political, and legal implications/problems, including
a). Loss of capital city challenges in building new capital and it’s
financial implications.
b). Division and rebuilding of common Institutions.
c). Division of employees, their relocation and nativity issues. d). Effect of bifurcation on commerce and entrepreneurs.
e). Implications to financial resources of state government.
f). The task of post-bifurcation infrastructure development and opportunities for investments.
g). The socioeconomic, cultural and demographic impact of bifurcation.
h). Impact of bifurcation on river water sharing and consequential issues. i). AP REORGANISATION ACT, 2014 on AP and the arbitrariness of
certain provisions.


BASICS: Occurrence of water in different forms, water cycle and water balance and factors contributing to the distortion of water balance.
Geo-Hydrology: Concepts of Geo-Hydrology and Hydro-Geology, Ground Water Aquifers – Definition of the aquifer, aquiclude, acquitted and aquifuge, concepts of confined, unconfined and leaky aquifers – Water bearing properties of aquifers – Storage properties – Definition of porosity, specific yield, specific retention factors influencing the porosity of rocks – Determining porosity of rocks in the field and in the laboratory.

Definition of permeability, transmissivity and storage coefficients – Ground Water Movement – Darcy’s Law, distribution and concurrence of groundwater. The dependency of groundwater quality and the yield on the recharge, Lithology and structural features. Groundwater in hard rock, soft rock, and coastal aquifers – Application of geological, geochemical and remote sensing methods in groundwater exploration.

PRINCIPLES OF GEOPHYSICAL PROSPECTING OF GROUNDWATER: Physical properties of rocks and groundwater – Electrical resistivity, polarisability, dielectric permeability, thermal conductivity, density, magnetic susceptibility, elastic modulus and wave velocities in different media. Effect of porosity, mineral composition grain size, packing, temperature and pressure conditions water content, salinity, etc., of the rocks and saturating fluids on the physical properties of rocks and Electrical resistivity method as employed in groundwater problems.

Various electrode configurations their applications and merits and demerits – VES and profiling methods – Interpretation – Tracing lateral and vertical boundaries of strata. Determining hydrogeological properties of strata from electrical resistivity method – Principles and application of S.P., I.P. and E M methods in solving groundwater problems especially in tracing the fracture and joint pattern of rocks.

Electromagnetic frequency sounding and applications – Seismic prospecting methods – Reflection and Refraction and Interpretation of seismic data in groundwater problems – Gravity and magnetic methods – their role in groundwater exploration, Geothermal methods – principle and application in solving groundwater problems – Remote sensing and Airborne geophysical methods for assessing groundwater potentialities on a regional basis.

GEOPHYSICAL WELL – LOGGING METHODS: Consideration and specification for solving groundwater problems. Principles and role of resistivity, S.P. Nuclear, and thermal logging methods. Sonic, density and magnetic susceptibility logging for determining formation characters – Geophysical methods in estimating aquifer and reservoir conditions.


(i) Soft Rock areas – Sedimentary and alluvial
(ii) Hard Rock Areas – Granites, metamorphics, etc
(iii) Karst areas
(iv) Coastal areas – Saltwater intrusion in freshwater aquifers and their boundary determination
(v) Prediction of hydraulic properties of granular aquifers
(vi) Tracing buried river valleys
(vii) Ground Water reservoir studies
(viii) Studying valley fill areas.

HYDRODYNAMIC INVESTIGATIONS OF AQUIFERS AND WELLS: Hydrogeological parameters of aquifers. Systematic pumping tests in steady and unsteady state conditions and methods of Theis and Jacob and Theis recovery method.

FORMATION DRILLING AND WELL CONSTRUCTION: Types of wells – Dug, Dug-cum- bore, shallow bore-wells, Tube Wells and Redial wells, Infiltration Galleries. Their advantages and disadvantages for discharging groundwater, Methods of drilling and Percussion and Rotary – their advantages and disadvantages.

Well construction-well design, well casing, Grouting, and installation of good screens. Development of wells, surging, compressed air, high-velocity setting, backwashing, Over pumping, well efficiency and maintenance – causes of failure of wells and remedial measures pumps – shallow and deep well, hand pumps, vertical turbine pumps, submersible pumps, centrifugal pumps, jet pumps.

Flow nests – Graphical construction, analog simulation, numerical simulation, saturated and unsaturated flow nest, and well hydrographs and their analysis. Groundwater modeling scope and utility. Types of models – Physical, analog, digital and hybrid models. Advantages and disadvantages; determining norms for safe yield in a basin by various methods. Groundwater investigation in environmental and eco-balance studies.

1. Concept of programming languages Computer operating system like MS-Dos, MS Windows, Unix.
2. Interpretation of Geophysical data by using computer techniques.
3. Artificial recharge Methods, conservation.
4. Ground Water Management, Ground Water Budget.
5. Ground Water pollution, landfills, waste disposal, Mining, waterlogging, reclamation – case studies.
6. Geographic Information system related to Groundwater.


• the applicants are required to go through the user guide and satisfy themselves as to their eligibility for this recruitment carefully before applying and enter the particulars completely online.
• applicant must compulsorily fill-up all relevant columns of application and submit an application through the website only. the particulars made available on the website will be processed through computer and the eligibility decided in terms of notification and confirmed accordingly.
• the applications received online in the prescribed proforma available in the website and within the time shall only be considered and the commission will not be held responsible for any kind of delay/discrepancy on part of the candidate
• applicants must compulsorily upload his/her own scanned photo and signature through j.p.g format.
• the applicants should not furnish any particulars that are false, tampered, fabricated or suppress any material information while making an application through website.
• important:- handwritten/typed/photostat copies/printed application form will not be entertained.
the applicant shall produce all the essential certificates issued by the competent authority, for verification by the commission, as and when called for. if candidates fail to produce the same, his/her candidature shall be rejected/disqualified without any further correspondence.

The following certificate formats are available on the Commission’s Website
(www. for reference.
• Community, Nativity, and Date of Birth Certificate
• Declaration by the Un-Employed
• School Study Certificate
• Certificate of Residence
• a) Medical Certificate for the Blind
b) Certificate of Hearing Disability and Hearing Assessment
c) Medical Certificate in respect of Orthopedically Handicapped Candidates
• Creamy Layer Certificate
• Local status certificate (if applicable)


1. The candidates should go through the instructions given on the cover page of test booklet and carefully write his/her Registration Number, Subject / Subject Code, Booklet Series, Name of the Examination Centre, etc., in the Answer Sheet, which will be provided to him/her in the examination hall. Exam Pattern/Syllabus & Instructions for APPSC Geophysics Technical Assistants

2. Since the answer sheets are to be scanned (valued) with Optical Mark Scanner system, the candidates have to USE BALL POINT PEN (BLUE or BLACK) ONLY FOR MARKING THE ANSWERS. The candidates will be supplied OMR Sheet consists of two copies i.e., the Original Copy (Top Sheet) and Duplicate Copy (Bottom Sheet).

The candidate is required to use Ball Point Pen (Blue or Black) for filling the relevant blocks in the OMR Sheet including bubbling the answers. After writing the examination the candidate has to handover the original OMR sheet (Top Sheet) to the invigilator in the examination hall. If any candidate takes away the original OMR Sheet (Top Sheet) his/her candidature will be rejected.

However, the candidate is permitted to take away the duplicate (Bottom Sheet) OMR Sheet for his/her record. The candidates should bring Ball Point Pen (Blue/Black and smooth writing pad) to fill up relevant columns on the Answer Sheet. The candidate must ensure encoding the Registration Number, Subject/Subject Code, Booklet Series correctly, write the Name of the Examination Centre, appending Signatures of the Candidate and Invigilator, etc., on the O.M.R. Answer sheet correctly, failing which the Answer sheet will not be valued.

Use of whitener / correcting fluid / Blade / Powder/ Eraser / folding / Tearing / Rough Work or any kind of tampering to change the answers on OMR Sheet will lead to disqualification / invalidation / rejection. No correspondence whatsoever will be entertained from the candidates in this regard.

3. The OMR Sheet is to be bubbled by Ball Point Pen (Blue or Black) only. Bubbling by Pencil / Ink Pen / Gel Pen is not permitted in this examination. Any kind of tampering to change the answers on the OMR Sheet will lead to disqualification/invalidation/rejection. No correspondence whatsoever will be entertained from the candidates in this regard.


1) The candidates should take their seats at the prescribed time before the commencement of the examination. Biometric identification would be conducted before entry into the examination hall. The entry time would be mentioned in the hall ticket. Late entry after the given entry time would not be allowed. Candidates should not leave the examination hall till the expiry of fulltime. Loaning and interchanging of articles among the candidates is not permitted in the examination hall. Electronic devices including cell phones and pagers are not allowed in the examination hall. Nonprogrammable calculators would be permitted, wherever necessary.

2) The starting time of each examination paper and the entry time would be mentioned in the hall ticket
3) The examination link with the login screen will already be available on your system. Please inform the invigilator if this is not the case.
4) 10 minutes prior to the exam, you’ll be prompted to log in. Please type the Login ID (Roll No) and the Password (Password for Candidate will be given on exam day) to proceed further.
5) The invigilator will announce the password at 09.50 AM and 02.20 PM.
6) Copying or noting down questions and/or options is not allowed. Severe action will be taken if any candidate is found noting down the questions and/or options.

7) After logging in, your screen will display:
*Profile Information – Check the details & click on “I Confirm” or “I Deny”.
*Detailed exam instructions – Please read and understand thoroughly.
*Please click on the “I am ready to Begin” button, after reading the instructions.
8) You have to use the mouse to answer the multiple-choice type questions with FOUR alternative answers.

9) To answer any numerical answer type question, you need to use the virtual numeric keypad and the mouse.
10) On the online exam question screen, the timer will display the balance time remaining for the completion of the exam.
11) The question numbers are color coordinated and of different shapes based on the process of recording your response: White (Square) – For un-attempted questions. Red (Inverted Pentagon) – For unanswered questions. Green (Pentagon) – For attempted questions. Violet (Circle) – Question marked by candidate for review, to be answered later. Violet (Circle with a Tick mark) – Question answered and marked by candidate for review.

12) After answering a question, click the SAVE & NEXT button to save your response and move onto the next question.
13) Click on Mark for Review & NEXT to mark your question for review, and then go to the next question.
14) To clear any answer chosen for a particular question, please click on the CLEAR RESPONSE button. Exam Pattern/Syllabus & Instructions for APPSC Geophysics Technical Assistants

15) A summary of each section, (i.e. questions answered, not answered, marked for review) is available for each section. You have to place the cursor over the section name for this summary.
16) In case you wish to view a larger font size, please inform the Invigilator. On the Invigilator’s confirmation, click on the font size you wish to select. The font size will be visible on the top.
17) You may view INSTRUCTIONS at any point of time during the exam, by clicking on the INSTRUCTIONS button on your screen.

18) The SUBMIT button will be activated after 150 Minutes. Please keep checking the timer on your screen.
19) In case of automatic or manual log out, all your attempted responses will be saved. Also, the exam will start from the time where it had stopped.
20) You will be provided a blank sheet for rough work. Do write your Login ID and Password on it. Please ensure that you return it to the invigilator at the end of the exam after tearing only the password from it.

21) Please don’t touch the keyboard as your exam ID will get locked. If your ID gets locked, please inform a nearby invigilator who will help in unlocking your ID and then you can continue with the exam.
22) Please inform the invigilator in case of any technical issues.
23) Please do not talk to or disturb other candidates.
24) In case you are carrying articles other than the admit card, photo identity proof and pen, please leave them outside the exam room.
25) You cannot leave the exam room before submitting the paper. Please inform the invigilator if you want to use the washroom.


1) If the candidate notices any discrepancy printed on the Hall ticket, as to community, date of birth etc., he/she may immediately bring it to the notice of Commission’s officials/Chief Superintendent in the examination centre and necessary corrections can be made in the Nominal Roll, in the Examination Hall against his/her Hall Ticket Number for being verified by the Commission’s Office.

2) The candidate should satisfy the Invigilator of his/her identity with reference to the signature and photographs available on the Nominal Rolls and Hall Ticket.
3) The candidates should take their seats at the given time before the commencement of the examination and are not to be allowed after of the scheduled time. The time of Examination and entry time would be mentioned in the hall ticket. Late entry after the given entry time would not be allowed. Candidates should not leave the examination hall
till the expiry of fulltime.

4) The candidates must note that his/her admission to the examination is strictly provisional. The mere fact that an Admission to the examination does not imply that his/her candidature has been finally cleared by the Commission or that the entries made by the candidate in his/her application have been accepted by the Commission as true and correct. The candidates have to be found suitable after verification of original certificates; and other eligibility criteria. The Applicants have to upload his/her scanned recent colour passport photo and signature to the Application Form. Failure to produce the same photograph, if required, at the time of interview/ verification, may lead to disqualification. Hence the candidates are advised not to change their appearance till the recruitment process is complete.

5) The candidates are not allowed to bring any Electronic devices such as mobile / cellphones, programmable calculators, tablets, iPad, Bluetooth, pagers, watches or any other computing devices to examination Hall. Non programmable calculators would be permitted, wherever necessary. Loaning and interchanging of articles among the candidates is not permitted in the examination hall and any form of malpractice will not be permitted in the exam hall. Exam Pattern/Syllabus & Instructions for APPSC Geophysics Technical Assistants

6) The candidates are expected to behave in orderly and disciplined manner while writing the examination. The candidature will be rejected and in case of impersonation/ disorder/ rowdy behaviour during Examination, necessary F.I.R. for this incident will be lodged with concerned Police Station, apart from disqualifying his / her candidature. The chief superintendent of the centre is authorize to take spot decision in this matter.

7) Candidates trying to use unfair means shall be disqualified from the selection. No correspondence whatsoever will be entertained from the candidates.
8) The Penal Provisions of Act 25/97 published in the A.P. Gazette No. 35, Part-IV.B Extraordinary dated: 21/08/1997 shall be invoked if malpractice and unfair means are noticed at any stage of the Examination. Action will be taken to penalize as per G.O.Ms.No.385, G.A. (Ser. A) Dept., Dt.18/10/2016.

9). (a) Wherever the candidates who are totally blind will be provided a scribe to write the examination and 20 minutes extra time is permitted to them per hour. Eligible candidates are also allowed to bring their own scribe after due intimation to the Commission after duly providing the full identification details of the scribe like name, address and appropriate proof of identification.

(b) The applicants shall upload the certificate relating to percentage of disability for considering the appointment of scribe in the examination.
(c) An extra time of 20 minutes per hour is also permitted for the candidates with locomotor disability and CEREBRAL PALSY where dominant (writing) extremity is affected for the extent slowing the performance of function (Minimum of 40% impairment). No scribe is allowed to such candidates.
(d) The candidate as well as the scribe will have to give a suitable undertaking confirming the rules applicable

10). In case the Hall-Ticket is without photo or too small, he/she should affix a passport size photo on Hall-ticket and appear by duly getting attested by Gazetted Officer. He/she shall handover similar photo for each paper to Chief Superintendent for affixing the same on the Nominal Rolls.
11) The candidate will not be admitted to the examination Hall without procedural formatives.

12) The candidate’s admission to the Examination is provisional, subject to the eligibility,
confirmation/satisfaction of conditions laid down in this notification.
13) The candidates should put his/ her signature and get the signature of the invigilator at the appropriate places in the Nominal Roll or OMR Answer Sheet.
14) Instructions to be followed scrupulously in the Examination Hall. Check more details from here

*Disclaimer: We have published the above information for reference Purpose only, For any changes on the content we refer to visit the Official website to get the latest & Official details, and we are not responsible for anything

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