Contact Us Registered office: 401, Oriental Heights Plot No. 158, Sector 44, Seawoods, Navi Mumbai 400706. Registered office: 4th Floor, Institution of Engineers, Belapur Local Center, Plot No. 106, Sector-15, C.B.D.-Belapur, Navi Mumbai, 400614. Phone Number: 022-27560373 Email Address: cmd@hemutilities.com