Bajaj Finserv — regarding noc which is not issued by the company

Address:

Raipur, Chhattisgarh, 492001

I have purchased a fridge using bajaj firnserv emi card. I paid all emis in time. Still company is not sending noc. I want to surrender the card. Emi for purchased product is complete in the month of june, i got sms that loan is still active despite of full payment. Still i have no where do contact? Who will resolve my problem? How can i obtain my emi. Although repeatedly there telecallers disturbs me to sale their product. I want give up my cards