Tribal Sub-Plan or Integrated Tribal Development Project, is one of the Scheduled area of Navsari District within the Gujarat State which was notified as scheduled area vice Government of India. Ministry of Social welfare notification No. GSR/797 (E) Dtd. 31.12.77. The scheduled area of Navsari district, consists of 2 talukas namely Vansda, Chikhli vice Govt. of India Ministry of Social Welfare Letter No. 11036-2-85/T.D. (R) Dtd. 14-5-1986.

The more area is notified by Commission of India, under modified development approach policy and under this notification total 95 villages of Vansda Taluka, 88 villages of Chikhli Taluka, 31 villages of Gandevi Taluka and 37 villages of Navsari Taluka, were notified subsequently under the policy more area and villages were added. 1 village of Gandevi Taluka and 38 villages of Navsari Taluka were added and notified under the Government of India,