i want to prepare for IAS officer,which center is best for that.

Hi Raghav, To prepare well for the Civil service, you would require high levels of concentration with good academic record and knowledge about the current happenings. There are many institutes in India offering coaching for the Civil Services and to know about these, you may refer to the following

Hi Raghav. You can do from Rau's IAS Academy,Chankaya, Brillant which are the best centres for IAS training.They are all located at Delhi. All the best. Regards. Manish