Bajaj Electricals — Geyser/stop working 4 times in 5 month since I purchased

Address:

Flat no 9021 Tower C 14th Avenue Gaur city 2 greater noida 201009

I purchased bajaj Shakti gyser 15L in the month of january-2022 since then its stop working 4 times everytime technician visit and they fix the issue temprorey.

Now they are saying you need to change the imerging Rod and it will be chargebale its so pathetic.

Can anyone help me to replace the existing gyser as its causing lot of problem.
Mob no [protected]
Name Rajeev kumar