Pigeon Appliances / Stovekraft — one burner is not working

Address:

Pakur, Jharkhand, 816107

I bought a pigeon trioka 3 burner gas stove. Form the day i started using it its one burner is not working. I call a pigeon worker he repaired it but again when i change the cylinder it's again become worst. Kindly send someone to repair it. Or exchange it. 3rd one is not working it is in its warranty period do something. My pigeon appliances experience is not good.