Bajaj Finserv — customer care service executive service

Address:

000000, Thane, Maharashtra, 400603

I m trying to connect customer executive but not able to connect as well as trying to mail but mailing address shows invalid. I want to close down this card as soon as possible.. From last 2 months i m trying to connect to executive but not able to connect so i want close down card since v bad services. Also want to change due date but concerned person or mailing address not proper