Hero Honda Activa New Model
The Activa is being stop while its running

I have purchsed Honda cativa 5 months back, while driving it is getting stop when the accelerator is gradually decrease.

I have also done the servicing of it twice in 5 month, but they haven't solve this problem even though i conveyed them.

Now what to do so that it won't stop while the activa is in running condition.

Please guide me.