Hello Arpan,

Yes, You are eligible to apply for M.Tech QROR at ISI Kolkata. ISI Kolkata is offering this program in two streams.

     1.statistics stream and 2. Engineering streams.

you can apply through Engineering stream where the eligibility is having a B.E/B.Tech Degree.

selection process is through written test and personal interview.

The below link is current year's eligibility & selection Procedure,

https://www.isical.ac.in/~admission/Documents/Eligibility-and-Selection-Procedure-2018.pdf

Good Luck!!