Original sentence: Hemanta Kumar Mukhopadhyay.Nilima Sen: she was the Principal of Sangeet Bhavan and Swastika Mukhopadhyay was her student,who now teaches Rabindra Sangeet there
Edited sentence: Arundhoti Home Chowdhury.Chinmoy Chottopadhyay.Dijen Mukhopadhyay.He was among those who were instrumental in making Rabindrasangeet popular across all strata of Bengali population.Hemanta Kumar Mukhopadhyay: although he sang Bengali contemporary and Hindi songs also, Rabindrasangeet was his passion.Monomoy Bhattacharya.Nilima Sen: she was the Principal of Sangeet Bhavan and Swastika Mukhopadhyay was her  student,who now teaches Rabindra Sangeet there.Sagor Sen