https://www.technofino.in/community/threads/how-to-get-hdfc-bank-infinia-dcb-credit-card-easily-new-upgrade.703/post-248819
Used the content from the above post in this thread for mail.
Salary upwards of 2L, No salary account with HDFC.
Last 6 month spends in range of 7L.
Domestic Lounge access is available in terminal 2 of Bangalore airport. Accepted cards as of 18th Feb are Axis, Kotak, IDFC, HDFC Diners. Regalia acceptance is in pipeline.