Undergraduation College Problems?

Hey, i wanna do btech cse (computer science engineering).... i had two options in mind... 1. Symbiosis, 2. Amity....unfortunately my set score arent dat good....infact i've got 70 on 200....on the other hand.... I have been selected for amity (noida)...... Now all i wanna kno is...shud i push for symbiosis somehow or shud i opt for amity?...which is better and how?....plz suggest asap....