myself btech from nit bhopal in cse and now i got offer mtech data science from iitroorki and mtech in cse from nit warngal. which is best for future for placement aspect.

Congratulations on getting admission option from both iits. Pursuing mtech in data science from iit roorkee and cse from nit warangal both looks good choice. You should take the choice that to which domain you are more inclined and can excel further in the corresponding field. Both are prestigious institutions and offer get academic support and placement assistance.

However, in my view pursuing data science from iit roorkee will give you better chances going ahead in the future. At last , you should analyse on your own in which field do you want to pursue your carrer.

Hope this resloves your query.