Sagarmatha Zone
Sagarmāthā () was one of the fourteen zones of Nepal until the restructuring of zones into provinces. "Sagarmāthā" is a Nepali word derived from सगर् (sagar) meaning "sky" and माथा (māthā) meaning "head".
Nigamananda Paramahansa
He took a plot of land of Jorhat in Sibsagar district and founded this ashram there on Akshaya Tritiya, in the month of Baishakh (in 1319 BS according to Bengal calendar). This was called “Shanti Ashram” or Saraswata Matha (सारस्वत मठ), which went by the name of Assam-Bengal Saraswata Matha (आसाम बंगीय सारस्वत मठ) in the later years.