Who is Jayaprakesh Muktananandaji and Sanjay from Song of Kali and what is their importance?

Jayaprakesh Muktananandaji and Sanjay is a friend of M. T. Krishna, Muktananandaji is a nervous young man with a thin face, thick glasses, terrible acne, sweaty hands, and a high-pitched voice. He agrees to tell his story to the American writer Robert C. "Bobby" Luczak in the university coffee house, late at night.