Hope you are doing well
There are no particular college for Civils preparation like IAS, IPS, etc. There are coaching centers where you can take coaching for prepare of Civil services. Civil service is state level exam , no college will help you in preparation, only coaching centers help you in preparation. Some Top Coaching Centers are:-
- Vajiram and Ravi IAS coaching, Delhi
- Plutus IAS coaching, Delhi
- Shankar IAS Academy, Chennai
- Analog IAS Coaching, Delhi
- National IAS Academy, Bangalore
- Chanakya IAS Academy
- Elite Academy
I hope this information will help you.
Feel free to ask any query.
All the best