Named after a big Himalayan river 'Tamakoshi River', Tamakoshi Sewa Samiti or Tamakoshi Service Society (TSS) was established in 1984 in one of the remote hilly district, Ramechhap, Nepal. TSS is a non-profit making social organization, which was envisioned and founded by a great social worker Late Mr. Jagdish Ghimire. He has been sadly passed away on 31st October, 2014 at the age of 68 years old. He was suffered with multiple myeloma cancer. His immense contribution for TSS and Ramechhap people shall be remembered by all of us forever. During the establishment of TSS, other social activists were also involved.
TSS has been registered in Ramechhap District Administration Office in 1984. It is the first NGO in the district and 68th in Nepal to be affiliated with Social Welfare Council (SWC). TSS is working only in Ramechhap, which is one of the backward among 75 districts of Nepal. On the basis of district level overall development indicators, Ramechhap has been ranked in 51 position among 75 district, as the least developed district.