Completed my 12th with 87% and want to prepare for UPSC along with the BA Program?

Yes, there are options available that will enable you to succeed in your preparation and realize your dreams. It will be quite challenging for you because you have a dual role to play if you decide to prepare while doing graduation. You must find the most practical and appropriate option that will allow you to maintain a balanced approach in both of your preparation stages, which include both college studies and UPSC preparation.
So, based on your needs, I can give you one particular as well as the best platform out of many because this is the only institute in Delhi that has been offering the 3-year foundation course for IAS for the past few years, and no one else has seized the opportunity. The institute is called EDEN IAS, and it has a primary branch in Delhi. It has become well-known among college students for its LAKSHYA program, which has earned a lot of popularity.
A few of my friends who have taken admission there have praised the teaching style of this institution as being quite effective and have credited it with having a blend of both traditional methods and contemporary subjects that will help students understand all the concepts thoroughly.

For more info visit: https://edenias.com/ias-foundation-course-gs-csat-3-years-lakshya/