If we check the Ratings and Ranking of the colleges then Amrita university is better.

According, to Careers 360 Amrita University has AAAA+ rating which means outstanding.

Ratings are based on Faculty, Placements, Cut-offs of national / state level Entrance exams, Accreditation and Reward status and Publication record from Elsevier’s indexing database - Scopus

According, to their website Over 200 companies visit the campus every year.

Average salary is Rs. 4.2 Lakhs per annum for 2016 pass out batch.

Highest CTC offered for the current batch is Rs. 25.16 Lakhs per annum.

Good Luck!!