Karizma R Problem — Black Smoke & Pick up problem

Address: Aurangabad, Maharashtra

Dear Concern, I have bought the Karizma r from Dhanlaxmi Auto Walu on 13 Sep 2013, But in the month of December 2013 i face problem of Pick up, when i accelerate the bike was stop running also same was black smoke, When i show this problem to service centre ( Dhanlaxmi Auto) they told me we have change the setting & problem is sloved, but when i trial the bike problem was not solved after that i talk with service engineer they told me pls drive bike 500 km after that the problem will be remove, i try this also now the engineer told me that the bike having the carburettor problem and we change the same, Please guide me iam so much irritated with service of Dhanlaxmi Auto, i wish to register a complaint. Please guide me Thanks Kulbhushan [protected]