According to the Week - Hansa Research Survey,
When considered, CUSAT was seen in Rank 34th Top Technical University ALL INDIA and In south Zone CUSAT is ranked in No.11 in top technical Universities . Where as i didn't saw any of the above NIT's in the list.
You can also look at the ranking by MHRD here : http://cxpr.in/CUSAT2016Ranking
National Institute Of Technology, Srinagar in 67 th position and CUSAT being 55th in Ranking.