UPDATE 1-India's Axis Bank reports wider-than-expected Q4 loss on Citi deal

(Updates with details)

BENGALURU, April 27 (Reuters) - India's Axis Bank Ltd on Thursday reported a wider-than-expected one-time loss in the fourth quarter, weighed down by costs incurred due to its $1.41 billion Citi deal.

Axis reported a loss of 57.28 billion rupees ($700.1 million) for the three months ended March 31, compared to a profit of 41.18 billion rupees a year earlier.

Analysts had forecast the bank to report a loss of 8.06 billion rupees, according to Refinitiv IBES data.

Axis, India's fourth-largest bank by market capitalisation, in March closed a deal to acquire Citigroup Inc's local consumer and non-banking finance businesses.

Despite the loss, the lender's business growth remained robust.

It reported a standalone operating profit, which excludes provisions and contingencies, of 91.68 billion rupees, compared to 64.66 billion rupees a year earlier.

The bank's net interest income, the difference between interest earned and expended, grew 33% to 117.42 billion rupees. Net interest margins were at 4.22%, up 73 basis points year-on-year.

Larger rivals HDFC Bank and ICICI Bank have also reported healthy growth in net interest incomes for the fiscal fourth quarter.

Axis' quarterly advances were up 19% year-on-year, in line with double-digit loan growth seen in Indian banks over the last few months.

The Mumbai-based bank's deposits grew 15%.

Meanwhile, the bank's gross bad loans as a percentage of total loans, a measure of asset quality, improved to 2.02% from 2.38% in the last quarter. Its net non-performing assets ratio was at 0.39% as compared with 0.47% in the prior quarter.

Provision and contingencies for the quarter stood at 3.06 billion rupees, down from 9.87 billion rupees a year ago. ($1 = 81.8130 Indian rupees) (Reporting by Nandan Mandayam in Bengaluru and Siddhi Nayak in Mumbai; Editing by Sonia Cheema)