HI Sunny, Gayatri,
Hi, You can proceed for ICAS. I have also did my b.tech in civil engineering from iase university. I wrote an email to ICAS regarding ECA of degree awarded by IASE deemed University. They have replied that your qualifications would be assessed provided that you have satisfied the requirements of AICTE and UGC.
I am in same dilemma , As I done BCA from IASE university, But as per my investigation so far this university is approved under UGC, also NAAC B categories, nevertheless on which crieteria WES is evaluating the eduction credential.
However you all can go with other authorized evaluator like ICAS,IQAS but not ICES as is just follow WES so don't waste your time upon it ,Neverthless if have already tried other and got any positive and negative response so please do share here.