According to the information available in the "Malebandhan" Pustika, Maharaja Adisur From Kanauj brought with him five most renowned Brahmins among which the most famous was Gangananda who was a disciple of Shri Harsha and it is during this period that Debibar Ghatak created "Malebandhan" and added Upadhyay as the surname, which later modified into Mukhopadhyay (supreme of all the upadhyay's) or Mukherjee(in the later British era).As such Gangananda Bhattacharya Upadhayay was the 1st man in the famous family of Janai.
The two reasons for the popularity of Janai village includes: 1. A sweet named "Monohara" that is famous in all over Bengal, and 2; the story of assessts, grandeur and kindness of the Royal Family of Janai.
