Candes — Water leaking from geyser

I bought a geyser from Candes in December 2022 through Amazon. After usage of 4 months, water started leaking from the geyser. I filed a complaint with them on April 21, 2023. They acknowledged the complaint and issued a complaint number (UP-C[protected]. They assured that a technician will visit for investigation, but even after more than two months (June 27), no action has been taken.