Sir, what is the scope of mechanical(production) engineering?
Production Engineers have a bright future, much more than you think:
1.
Less Competition:
In India, there are very few colleges offering Industrial and Production Engineering
So, cracking exams like GATE and getting a good rank in it indeed will be a cakewalk. Thus, fulfilling your dream of getting into an IIT.
2. Similar to Mechanical Engineering: Syllabi of ME and IPE are very much ( 80% approx) same. So, you can opt for core branch (I.e. ME) and are also eligible to appear for exams involving Mechanical subject( Engineering Services Examination & GATE). Increasing your chances to get into a good Public Sector Undertaking company.( To be very frank , very very few PSUs take Production Engineers)
3. Bright Future if you want to go abroad: writing your GRE or getting a foreign placement ( yes, you heard it right National Institute of Industrial Engineering offer foreign placements on completion of PG) as an Industrial Engineer will lead you to be in- charge of Mechanical Engineers. Abroad, Industrial Engineers have a bigger role to play in comparison to their mechanical counterparts. They have to manage them
4. Being a Management oriented subject ( yes you will study economics, production planning and management, Organisational Research, Industrial Engineering and Marketing) , getting an MBA degree will increase your value many fold.