While the days of 20-25 per cent net profit growth are quite behind the company, the country's leading home financier HDFC is still among the most bought stocks of India, given its ability to deliver stable growth even during challenging times. The March quarter (Q4) standalone performance seems to have met this yardstick. Net interest income at Rs 3,123 crore grew 13 per cent year over year, while net interest margin (NIM) continued at 4.1 per cent. Net profit, however, fell 22 per cent year over year to Rs 2,044 crore as March quarter of FY16 included Rs 1,520 crore