Hello Santosh,

It would be difficult to tell you the exactly about the admission chances in IITs as cutoff varies every year depending on the various factors such as difficulty level of the exam, Number of candidates appeared for the exam, Performance of the candidates etc.

The admission in NITs & CFTIs for M.Sc Programmes is through CCMN counselling after clearing IIT JAM Entrance Exam, You can check the detail about the no. of seats & other admission related information with the given below link.

https://university.careers360.com/articles/ccmn

However you can check the previous year cutoff with the given below link if you want to take an idea about IITs admission possibilities.

https://university.careers360.com/articles/jam-cutoff

Good Luck!