Mahendranath Gupta (Bengali: মহেন্দ্রনাথ গুপ্ত), who wrote under the pen name 'M', was a disciple of Sri Ramakrishna and the author of Sri Sri Ramakrishna Kathamrita.Mahendranath Gupta (Bengali: মহেন্দ্রনাথ গুপ্ত), who wrote under the pen name 'M', was a disciple of Sri Ramakrishna and the author of Sri Sri Ramakrishna Kathamrita....more