Hi,

Among these two, Allen Kota is surely best. Kota is famous for Coaching institute. Allen Kota has some of the best teachers in India. Although There is lot of competition in Allen Kota which could make you nervous if you don't do well there. Allen Sikar is also good but it is not that good as Allen Kota. I suggest you choose coaching based on your convenience.

I hope this will answer your query.

Thanks!!!!