Lloyd — Poor services by lloyd

My ac is not providing cooling n lodge complain in lloyd my service number is [protected] n technician visited after so many calls n on visit he was not skilled not able to understand the problem and only thing he told that gas is not present and filled the gas n charged rs 2700 and within 2 hours again same problem occurred and it’s not giving cooling and now he is not picking the phn and on contact customer care they saying that he only come to solve the problem n it’s my big mistake that I hv purchased lloyd inverter ac 1.5 ton n they hv very poor services n they don’t hv their service Center n send third party for services n unskilled technician