Bharat Petroleum [BPCL] — bharat gas cylinder leakage

Address:

H.no.88 Ideal Campus Indus Town, Ratanpur Mishrod, Bhopal, Madhya Pradesh, 462026

My consumer no.[protected]/09/2019 we have facing issue regarding cylinder knob short that cause after regulator gas not release then we contact to our agency (Shiva bharat gas service bhopal).
Service engineer visit at home & inspect cylinder or regulator. He find out cylinder knob short & put stone at cylinder knob after that fix regulator & suggest to my wife in case face this type of issue follow this process (Put stone & after that install regulator)
Today when we replace the cylinder & facing same problem (Gas not release from cylinder cause of cylinder knob short) put stone or install regulator that time stone slip from knob & gas leakage from cylinder continuous in kitchen very trouble situation that time or cylinder remove from home. Big dangerous this type of suggestions
May very big loss in case of cylinder blast
Please resolve this problem