Kotak Mahindra Bank released its Dec quarter results during market hours. NII advanced 17.6% y/y to Rs 4,442 crore. PAT was up 27.4% y/y at Rs 2,349 crore. GNPA ratio deteriorated to 2.33% along with NNPA ratio, which increased to 0.87%. NIM stood tall at 4.7% this quarter. The stock was down 4.7%.