The Union Pub­lic Ser­vice Com­mis­sion (UPSC) has released the noti­fi­ca­tion for the Com­bined Geo-Sci­en­tist Exam­i­na­tion (CGSPE) 2027. Through this recruit­ment exam­i­na­tion, UPSC will fill 127 vacan­cies for var­i­ous Group A and Group B posts relat­ed to Geol­o­gy, Geo­physics, Chem­istry and Hydrogeology.

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Eli­gi­ble and inter­est­ed can­di­dates can sub­mit the UPSC CGSPE 2027 Online Form from 02 Sep­tem­ber 2026 to 22 Sep­tem­ber 2026.

Can­di­dates are advised to read the com­plete noti­fi­ca­tion care­ful­ly before apply­ing. Details regard­ing vacan­cies, eli­gi­bil­i­ty, age lim­it, appli­ca­tion fee, exam­i­na­tion dates and selec­tion pro­ce­dure are pro­vid­ed below.

UPSC CGSPE 2027 – Overview

Important Dates

• Online Appli­ca­tion Begins: 02/09/2026
• Last Date to Apply Online: 22/09/2026 up to 06:00 PM
• Last Date for Fee Pay­ment: 22/09/2026
• UPSC CGSPE Pre­lim­i­nary Exam: 10/01/2027
• UPSC CGSPE Mains Exam: 19–20/06/2027
• Admit Card: Before the examination

Application Fee

Can­di­dates can pay the exam­i­na­tion fee through the pay­ment modes per­mit­ted by UPSC.

UPSC CGSPE 2027 Age Limit

The age lim­it will be cal­cu­lat­ed as on 01 Jan­u­ary 2027.

• Min­i­mum Age: 21 Years
• Max­i­mum Age: 32 Years
• Age Relax­ation: Applic­a­ble as per UPSC Com­bined Geo-Sci­en­tist Exam­i­na­tion rules.

Can­di­dates should check the offi­cial noti­fi­ca­tion for cat­e­go­ry-wise age relax­ation and oth­er age-relat­ed conditions.

UPSC CGSPE 2027 Vacancy Details

A total of 127 posts have been announced under the Com­bined Geo-Sci­en­tist Exam­i­na­tion 2027.

Educational Qualification

1. Geologist, Group A – 29 Posts

Can­di­dates should pos­sess a Mas­ter’s Degree in one of the rel­e­vant sub­jects such as:

• Geo­log­i­cal Science
• Geol­o­gy
• Applied Geol­o­gy
• Geo-Explo­ration
• Min­er­al Exploration
• Engi­neer­ing Geology
• Marine Geol­o­gy
• Earth Sci­ence and Resource Management
• Oceanog­ra­phy

2. Chemist, Group A – 07 Posts

• Mas­ter’s Degree in Chem­istry.

3. Assistant Geologist, Group B – 34 Posts

• Mas­ter’s Degree in Geol­o­gy
• Applied Geol­o­gy
• Min­er­al Exploration
• Marine Geol­o­gy
• Earth Sci­ence
• Oth­er qual­i­fi­ca­tion as spec­i­fied in the notification

4. Assistant Geophysicist, Group B – 35 Posts

• Mas­ter’s Degree in Geo­physics
• Explo­ration Geophysics
• Applied Geo­physics
• Equiv­a­lent qual­i­fi­ca­tion as prescribed

5. Assistant Chemist, Group B – 06 Posts

• Mas­ter’s Degree in Chem­istry
• Applied Chem­istry
• Ana­lyt­i­cal Chemistry
• Phys­i­cal Chemistry
• Equiv­a­lent qualification

6. Scientist ‘B’ (Hydrogeology), Group A – 05 Posts

• Mas­ter’s Degree in Geol­o­gy
• Marine Geol­o­gy
• Hydro­ge­ol­o­gy
• Equiv­a­lent qualification

7. Scientist ‘B’ (Chemical), Group A – 01 Post

• Qual­i­fi­ca­tion as spec­i­fied by UPSC in the offi­cial notification.

8. Scientist ‘B’ (Geophysics), Group A – 01 Post

Can­di­dates should pos­sess a rel­e­vant Mas­ter’s Degree such as:

• Physics
• Geo­physics
• Inte­grat­ed Explo­ration Geophysics
• Applied Geo­physics
• Marine Geo­physics
• Equiv­a­lent qualification

9. Assistant Hydrogeologist, Group B – 07 Posts

• Mas­ter’s Degree in Geol­o­gy
• Marine Geol­o­gy
• Hydro­ge­ol­o­gy
• Equiv­a­lent qualification

10. Assistant Chemist, Group B – 01 Post

• Mas­ter’s Degree in Chem­istry or rel­e­vant equiv­a­lent sub­jects as men­tioned in the notification.

11. Assistant Geophysicist, Group B – 01 Post

• Mas­ter’s Degree in Geophysics
• Explo­ration Geophysics
• Applied Geo­physics
• Equiv­a­lent qualification

Impor­tant: Edu­ca­tion­al qual­i­fi­ca­tions may vary accord­ing to the indi­vid­ual post. Can­di­dates should ver­i­fy the exact qual­i­fi­ca­tion and sub­ject require­ments from the offi­cial UPSC CGSPE 2027 noti­fi­ca­tion before sub­mit­ting the application.

UPSC CGSPE 2027 Selection Process

The selec­tion process for the Com­bined Geo-Sci­en­tist Exam­i­na­tion gen­er­al­ly involves dif­fer­ent stages of exam­i­na­tion as pre­scribed by UPSC.

The recruit­ment process includes:

1. Pre­lim­i­nary Examination
2. Main Exam­i­na­tion
3. Inter­view / Per­son­al­i­ty Test
4. Final Selec­tion

Can­di­dates who qual­i­fy for the respec­tive stages will be con­sid­ered for fur­ther selec­tion accord­ing to the rules men­tioned in the offi­cial notification.

How to Apply for UPSC CGSPE 2027

Eli­gi­ble can­di­dates can apply online by fol­low­ing these steps:

1. Vis­it the offi­cial UPSC online appli­ca­tion portal.
2. Com­plete the required reg­is­tra­tion process.
3. Log in using the required credentials.
4. Select the Com­bined Geo-Sci­en­tist Exam­i­na­tion 2027 application.
5. Enter per­son­al, edu­ca­tion­al and oth­er required details.
6. Upload the required pho­to­graph, sig­na­ture and sup­port­ing documents.
7. Pay the applic­a­ble exam­i­na­tion fee.
8. Care­ful­ly check all details before sub­mit­ting the application.
9. Sub­mit the appli­ca­tion form with­in the pre­scribed deadline.
10. Down­load and save a copy of the final sub­mit­ted appli­ca­tion for future reference.

Documents Required

Can­di­dates should keep the fol­low­ing documents/details ready while fill­ing out the online application:

• Recent pass­port-size photograph
• Sig­na­ture
• Valid ID proof
• Edu­ca­tion­al qual­i­fi­ca­tion documents
• Address and per­son­al details
• Cat­e­go­ry cer­tifi­cate, if applicable
• Oth­er doc­u­ments required accord­ing to the notification

Important Links