Why doesn't HDFC Bank Credit Card don't report the Credit Limit in CIBIL?

I have gone till nodal officer level on this issue. The only statement got right from basic executive to nodal officer is as per hdfc policy, we won't report credit limit to cibil. The only reason they throw is it's standard sop of hdfc and they have all the rights on whether reporting or not reporting. Left case!

Not a hdfc guy but i hold the right credentials to answer this question, every bank/nbfc use credit report and by report I mean the entire report your score, credit mix, issuers enquires repayment behavior every thing is considered. Now coming to hdfc, they hold the advantage of the biggest account holder which are potential customers for a customer(high MAB) a lot of decision making depends on which other lender is involved and having how much exposure, by rule of the law they are bound to say that x is holding their card but if they tell x is holding y limit they will give the joker in open, earlier amex was not reporting as well but after ban they are doing as well