Cash-strapped Kingfisher Airlines Ltd. Tuesday reported a wider second-quarter net loss of 4.69 billion rupees (US$93.8 million), compared with a 2.31 billion rupees loss a year earlier.

Revenue for the three months through September rose 10% to 15.28 billion rupees from 13.83 billion rupees, India's second-largest airline by market share told the stock exchanges.

But aircraft fuel costs surged to 8.17 billion rupees from 4.80 billion rupees.

Kingfisher has been one of India's worst-hit airlines in an industry plagued by high jet fuel prices, fierce competition, high interest costs, foreign currency fluctuations and inadequate airport infrastructure.

Kingfisher's current cash crisis is -- in the opinion of several analysts -- threatening to ground the airline, with unpaid fuel bills, cancellation of flights and abandoning of routes creating headlines in India.

Kingfisher has never posted a net profit since it started operations in May 2005, but its problems have become worse of late, with the airline saying on Nov. 11 that it would cut its daily operations to 300 flights from the previous 340. The carrier also recently stopped its low fare operations, saying that they were unviable.