HOW TO WORK FIRE AND SMOKE DETECTOR SYSTEM FITTED IN AC COACHES | INDIAN RAILWAYS

[@rajujanga9817]

Good explanation sir tq

[@brajeshkushwaha4735]

Nice sir🎉

[@cprcmbmb1969]

nice information

[@rajgupta5975]

Very nice information..
Thankyou sir ji..👍

[@radhelalraikwar5111]

Good explain sir

[@RANJEETKUMAR-xy1rf]

नमस्ते: सर
Good Example sir.
C&W- BL

[@sudhirsharma2796]

Some confusion that firsty we reset or use cock near leakage of pressure plz guide...