Indusind Bank — Indusind credit card collection harassment

Because of some medical emergency i was not able to make credit card payment and in April i paid 8100 everything goes to overdue amount finance charges also huge and i askes bank to convert all my outstanding to emi or give some payment options but they are not replying or ready to give any help. And collection agent is harassing like anything. He always doung whatsapp calls and video calls also and he asked to pay now pay now
I shared hospital bils also.I need some payment option because of his torture iam mentally depressed i dont know why this people are doing like this iam communicating through bank.