Voltas — Voltas ac misguidense

I was purchase 2 ton spilit voltas ac dated[protected] invoice number DJK-C-SI6696 from vijay sales janak puri new delhi.but ac gas leakege problem with in 3 months then i was register the complaint & engineers are come but they totaly misguide me & not done job proprly, i was complaint to voltas 4 to 5 time & engineers are come but they are misguide again & again & not done job proprly.they are totaly misguide.im not satisfied voltas service.today is going to be one year or my ac warranty b going to expire.very worst product & services.im totaly disapointed.