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Books about Ratanjankar:
Shrikrishna Narayan Ratanjankar 'Sujan' by Sumati Mutatkar (Dec 31, 2001)
Wiki information Ratanjankar:
Shrikrishna Narayan Ratanjankar or S N Ratanjankar was a distinguished scholar and teacher of Hindustani classical music, from the Agra gharana. Foremost disciple of Vishnu Narayan Bhatkhande and Faiyaz Khan of Baroda State, he also remained...
Krishna Gundopant Ginde was a Hindustani classical singer, teacher, composer, and scholar. His guru Shrikrishna Narayan Ratanjankar was his biggest influence.