There are several coaching centres in India as well as in your locality which provides entrance coaching. Some big names like Allen, Aakash, Narayana, Chaitanya, Brilliant, Bansal etc are there but your own town and city might have other good centres.

The admission may be based on merit but most of the times it’s first come first serve basis. You may be asked to give a test to know your level and to get any discounts if offered. Most of the times it’s not hard to get admitted.