MORIGAON, Oct 16: Central committee members of All Tiwa Students’ Union (ATSU), Sonjukta Ga Moncha (SGM), All Tiwa Protection Committee (ATPC), Morigaon District Tribal Sangha (MDTS), Tiwa Jatiya Eaikya Moncha (TJEM), Tiwa Yuba Chatra Parishad (TYCP), Tiwa Mathanlai Takhra (TMT), All Tiwa Woman Society (ATWS), Autonomous Demand Revolution Committee (ADRC) and Tiwa Cultural Society (TCS) on Monday came down heavily on the BJP-led State Government for passing the State Capital Region Development Authority Act-2017 and taking steps for implementing the Act in Tiwa Autonomous Council (TAC) and tribal belt areas.