Rural Works Department is one of the major engineering department of the state. This department takes up all the developmental works such as rural link roads, soil conservation schemes, building works, construction of suspension bridges etc, since the inception of the department.

Before trifurcation of RWD, one RWD Division at Basar and another at Aalo were in existence to execute the works under West Siang district. But after trifurcation, both these divisions were converted to IFC Division & PHE Division respectively. Thus, all the works related to RWD were transferred to Yingkiong Division, Yingkiong.

Again on May, 1999 RW Division came into existence at Aalo with its HQ at Aalo having four Sub-Divisions viz. 1) Aalo Sub-Division 2) Mechuka Sub-Division 3) Kaying Sub-Division 4) Basar Sub-Division. The administrative centre / block covered  by various Sub-Divisions are enumerated as below:

After inception of Aalo RWD in the West Siang district the developmental activities like construction of rural roads, buildings under state plan heads schemes under PMGSY, BADP works, non-lapsable fund works, soil conservation and water - shed management and other deposit works of Agriculture, Horticulture, Police, Fishery are being taken up.

Details of the works executed under various Heads are as follows:-