An agreement has been signed between HPL, and Public Health Engineering Department, Govt. of Mizoram on 9th June, 2011 for Sewerage & Drainage work in the city of Aizawl in Mizoram. The Agreement was signed in Aizawl by Shri R. Lalfanliana, Engineer-in-Chief, Public Health Engineering Department, Mizoram and CA V.K Gupta, FA&CAO and Co. sec.(offtg) of HPL in the presence of Shri Laliima Chhuana, Superintending Engineer, Sewarage & Sanitation Circle, Aizawl and Shri Vijay N.T, P.M (C), HPL, MIzoram.