Hi Chitaranjan, you must hold a Master’s Degree (i.e., Bachelor’s Degree obtained in 10+2+3 pattern, followed by a master’s degree) or Post Graduate Diploma (2 years) from IITs/IIMs/Other reputed Universities, with at least 60% marks or equivalent grade point average in the bachelor’s as well as in the master’s degree.

for detailed information Read this: https://iimsambalpur.ac.in/admission-process-3/#:~:text=Conducting%20the%20PI%20process,PhD%20Admission%20at%20IIM%20Sambalpur.