Bajaj Finserv — my bajaj emi card permanently block

Address:

Ganesh Murti Nagar part 3 room no 212 cuffe parade colaba Mumbai, Mumbai City, Maharashtra, 400005

Sir i have bajaj emi card.which is permanently block. But i dont why they do not unblock my card i paid all over due with the pently on time.but they cant block my card permanently Block.when we request them to unblocked my card how then answer.If company have rules to that blocking thing if we not done on time but company should think that you cant blocked the card permanently.but we pay the money with pently charge so you can blocked the card for short period you cant go and blocked the card permanently.