Congratulations on considering the UPSC exam! Coaching institutes provide structured classes and guidance, but they can be expensive. On the other hand, self-study allows you to study at your own pace and is a more cost-effective option, but it requires a lot of discipline and motivation. You can consider joining Eden IAS which is the best coaching institute offering the most sought-after foundation course for UPSC, called Lakshya.
For more visit https://edenias.com/how-should-i-start-preparing-for-upsc-after-12th/
