Jaipan — geyser

Address:

Kolkata, West Bengal, 700051

Purchase geyser from khosla electronics (10/4 bt road-belghoria), now geyser tank was leaked and jaipan service person came to visit and told that geyser need to sent at khosla from where it has been purchased and khosla person says it need to be taken care by jaipan person only.
Now its already 7 days over and nothing has been taken care...
What should i do..
Date of purchase-22/01/2017
Invoice no-6724/1617/00440