Mechanics

Hi Balaji,
Pursue a course you have interest in and have inclination for.
If you want to get into managerial line go for MBA and if you have technical bent of mind go for M.Tech.
MBA has a large quantity of jobs and major areas for building a fabulous career which can promise them a secured and flourishing future. The Employment Level and Salary packages in MBA are definitely having a upper hand over M.Tech graduates as MBA Students will start with a trademark salary of around 80 K to 1 lack bucks per month which is a huge amount in Indian currency where as in US $ they will be earning around 1000$ per Week. Even M.Tech have a good salary Slips but compared to MBA graduates this amount lacks a bit as average starting salary for a M.Tech post graduate students is around 50 K to 70 K at the end of 30 days circle in Indian Currency and around 500$ per week in US $.
Now, institution plays an important role in your degree. Go for an institution that is going to offer you environment conducive to studies and good placements. Check websites of some good universities.
Good luck.