This is entirely impossible to study MBA without spending a Peny. There are no such courses in India which offers the course for free. Here I am providing you some of the affordable MBA colleges in India:

• FMS, Delhi
• Department of Financial Studies (DFS), DU
• Delhi School of Economics, DU
• Tata Institute of Social Sciences (TISS), Mumbai
• Pune University Department of Management Sciences (PUMBA)
• KJ Somaiya Institute of Management Studies and Research, Mumbai

To know more about Top B-Schools with affordable fees visit the link provided below:

https://bschool.careers360.com/articles/top-b-schools-in-india-offering-affordable-mba

To know more about MBA as a career visit the link below:

https://www.careers360.com/courses/mba-master-of-business-administration

I hope this answer helps. All the very best for your future endeavors!