HDFC Bank Ltd reported a healthy rise in net profit at the rate of 20.6 percent on a year-on-year basis to Rs 5,005.7 crore for the second quarter of the financial year 2018-19.

The country's largest private bank's net interest income, or the core income from operations, was up by 20.6 percent to Rs 11,763.4 crore and its net interest margin grew by 10 basis points to 4.3 percent, sequentially for the period.

As per the lender's released results, its asset quality remained stable as bad loans forming a percentage of total assets remained unchanged. Its gross non-performing assets (NPA) ratio was at 1.33 percent for the September quarter while the net NPA ratio remained the same at 0.40 percent. HDFC bank has a high provision coverage ratio of 70 percent.

Compared to the year-ago period, it's retail loan portfolio grew by 23.8 percent and the overall advances were at Rs 7,50,838 crore. Total deposits were up by 20.9 percent to Rs 8,33,364 crore, where current account and savings account deposits rose by 18.3 percent.