I wrote to all folks twice, but they still rejected the upgrade, attached my last 3 paslips and last 3 months account statement.
banker@idfcfirstbank.com,
head.customerservice@idfcfirstbank.com,
wealthexpert@idfcfirstbank.com,
creditcard@idfcfirstbank.com,
social.connect@idfcfirstbank.com