The bank's consolidated profit after tax was Rs 716.61 crore in the same period last fiscal and Rs 941.89 crore in the preceding September quarter.
In November 2014, Kotak Mahindra Bank had announced acquisition of the mid-sized private lender in an all-share deal worth Rs 15,000 crore. The KMB-ING Vysya Bank merger came into effect from April 1 last year.
The bank's overall provisions shot up to Rs 261.08 crore in the third quarter as against Rs 42.18 crore in the year-ago period and Rs 196.66 crore in the preceding quarter.
The management said this was on expected lines and there were no surprises, and reiterated guidance of credit costs in the 0.80-0.85 per cent levels for the entire fiscal.
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"The bulk of pain will be coming this year and it will be business as usual from the next fiscal," Kotak Bank Joint MD Dipak Gupta told reporters after the results.
Recoveries from stressed accounts, Gupta added, have been lower than expected, but blamed it on systemic issues, saying "being a smaller player in many of the consortia, there is little the bank can do".
"When it comes to stress, we believe in recognising the problem upfront and recognising it as an NPA (non-performing asset)," he said further.
Net fresh slippage stood at Rs 30 crore for the reporting quarter while gross NPAs came in at 2.01 per cent on December 31 as against 2.08 per cent in the preceding quarter and 1.58 per cent in December 2014 quarter.
The bank has been impacted due to a higher rate on savings
deposits offered to customers of ING Vysya Bank, Gupta said.
The share of the low-cost current and savings account deposits in its overall base read 35 per cent.
The overall capital adequacy was 16.2 per cent, with core tier I at 15 per cent.
Gupta said the bank continues to invest in digital initiatives and this forms an important part of the Rs 250 crore IT budget for the fiscal.
The stock closed 1.30 per cent down at Rs 667.15 on BSE.