Crompton greaves limited-water heater
And new-but did not working

I have purchase a storage electric water heater habing brand-Corompton Greaves, mode/year SWH515, Rated capacity-15 litres, Rated power Watts from M/S DEW LIGHTS, G.S.Road, Guwahati-5 being invoice no.5030 dted 17th December, 10 but not working, May it be duplicate. Give me proper service; so that I may be rescued from mental agony & suffering.