Kolkata: India's largest gold loan company Muthoot Finance reported a 36% year-on-year surge in consolidated net profit for the second quarter at Rs 3,278 crore, backed by 42% expansion in business while asset quality deteriorated.The net profit was Rs 2,412 crore in the year ago period.On a standalone basis, the company's second quarter net profit stood at Rs 2977 crore, up 27% over Rs 2345 in the year-ago quarter.Muthoot's consolidated assets under management grew 42% year-on-year to Rs 2.09 lakh crore at the end of September.