TTK Prestige — Prestige glass top 3 burner stove not working

Bought a prestige glass top 3 burner stove on 29 January 2023 from Pattom showroom, Trivandrum. All the 3 burners not working properly, flame is too low even in knob max position. We seriously doubt that prestige is selling 2nd hand products. This new stove already repaired twice by prestige service centre still no improvement!!!

This is only a notice period before filing a case in consumer court.