Hi, hope you are doing great.
The basic eligibility to do a diploma in pharmacy requires completion of class 12 from a recognised board.

Following institutions offers Diploma in pharmacy:

Poona College Of Pharmacy, Bharti Vidyapeeth University, Pune
JSS College of Pharmacy, Mysore
Manipal College Of Pharmaceutical Sciences,Manipal
SRM College Of Pharmacy,Kattankulathur
JSS College Of Pharmacy , Ooty
PSG College Of Pharmacy, Coimbatore
Integral University, Lucknow

For more information about colleges , brochure and relevant information, refer to the following article:

https://pharmacy.careers360.com/colleges/list-of-pharmd-colleges-in-india

Best Wishes