Housing Development Finance Corporation's (HDFC) net profit rose by 42% to ₹3,180 crore in the January-March quarter as against ₹2,233 crore in the year-ago period. Its net interest income grew 14% year-on-year to ₹4,065 crore compared to previous year's ₹3,564 crore. HDFC's Board approved re-appointment of Keki Mistry as the financier's MD for a period of three years on Friday.