Lloyd Ac — Service center says no to test before work and demand extra charge for every thing

Address:

Muzaffarpur, Bihar

My ac is not cooling gas leaked some time, when i lodge complain your service center employee come n always bargain charges as high by company rate, currently i loadge a complain again for not cooling, they come n bargain and also said for do work out of company, but when i refuse, they said high charges, they are not testing any thing, saying if i test my gas waste, who paid for that, please do neccesasy for this, i m need for your help