- Formulation of Five Year Plans and Annual Plans, NEC Plans, Perspective Plans
- Monitoring and implementation of State Plan Schemes, Centrally Sponsored Schemes (CSS), North Eastern Council (NEC) Schemes, Special Development Scheme (SDS), Member of Parliament Local Area Development Scheme (MPLADS), Bidhayak Elaka Unnayan Prakalpa (BEUP), Twenty Point Programme etc.
- Matters related to the State Planning Board
- Project Planning and monitoring of Special Development Scheme, Non-lapsable Central Pool of Resources, NEC, Externally Aided Projects etc.
- Reference department for allocation, diversion and utilization of Plan funds
- Preparation of background papers for important meetings like National Development Council, NEC,
- Correspondence with NITI Aayog, Ministry of DoNER, NEC and different Ministries of Government of India regarding plan schemes/projects of various departments of the State Government.