Dear Nihar,
According to the Ranking of Law Institutes done by Careers360 RGNLU is better institute why do you want to switch it with lower ranked institute? If you go through cutoff data (2017) of both institute you might not get that chance.

RGNLU Cutoff
HNLU Cutoff

I hope it helps!

Hii

As per your rank, you have low chances in following colleges-

Hidayatullah National Law University, Raipur

All the best.