Dekadong FIS is a medium Irrigation scheme with Head works located at Lat. 26.703159° N and Long. 91.30655° E under Chapaguri LAC in Baksa district. The project was started in the year 1975-76 and commissioned during the year 1986-87 with CCA of 4941 Ha.  1325 No. of beneficiaries are there within CCA of the scheme.For the smooth supply of water to the beneficiaries, a total of 7 WUA has been formed.