I installed the Tata Solar Power and it was commissioned on 18/04/2013. The inverter and battery stopped working after five years, after which I upgraded the whole system to 2.72 kW from 1 kW using Tata Solar Panels with a new 4 kW inverter and new batteries. Everything was okay till recently when the previous panels installed on 18/04/2013 stopped producing the required electricity. A third-party technician analyzed the problem and informed us that the panels have been internally damaged. The panels have degraded internal solar cells having patterns that look like snail trails in them. This shows the poor quality of the solar panels. When the system was bought from Tata we were guaranteed a warranty of 5 years for the entire system and 25 years for the solar panels, When we contacted the officials from Tata, they sent technicians from Kayamkulam to inspect the panels. The technicians said that since the upgrade of the system was done by third-party technicians they won't provide a warranty to the solar panels bought from them. This goes completely against what they said when they installed the system. We were told that the Solar Panels will be given 25 years warranty if the panels don't give 90 percent output after 10 years and will be replaced if not. The degraded internal solar panel cells have nothing to do with the external system drawing power from the cells. All proof in photos will be attached to this complaint.
The same complaint was put forward to the consumer court just recently. To this, I got a call from [protected] requesting an OTP. We were said to give OTP and only then can they do anything about the complaint. After giving the OTP, we realized that the OTP was for complaint completion. They deliberately tricked us into giving them the OTP to fake job completion. The same day, we got a call from [protected] asking what the issue was and that they'll call back in half an hour. Its been a week and there's no response.
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