Faber — Fire accident of gas stove ,poor installation

Address:

218, south service road ,phase 1,sathuvachari, vellore ,tamil nadu 632009

1.faber gas stove GT GRAND 3BB BK Code[protected]
2.faber chimney primus energy TC HC BK 60, Code 73211110
both purchase date 27/10/2019.
1.gas stove L connector(metal), connecting stove and gas tube burst and got fire.how it could burst and got fire .stove was bought 9 months back only.what is the safety for us?.
2. faber chimney fitted on 2nd November 2019.once service was done.Till now it is not working properly.Asked service centre at vellore- sri Ragavendra Associates.now a senior service person came and told not fitted properly by junior at installation.We hired a carpenter at that time of installation11/2019 also for help.but now they are telling not installed properly.Air is not succked out properly.
Iam attaching photo 1. sales copy
2.installation copy
3.damaged L connector of gas stove
Totally upset with product and service.
I need a proper installation and proper explanation from faber company .
contact me @
V.GOPINATH
[protected]
mail - [protected]@gmail.com