The company said revenue for the January-March final quarter of its fiscal year rose 9.2 percent from a year earlier to 205 billion rupees ($3.8 billion).
The company said it faced a tax increase of 1.3 billion rupees ($24.8 million) for the quarter over the previous year, cutting into profits.
India's mobile phone companies have been in a price war for several years that has dented earnings but Bharti said the situation eased in the latest quarter.
Higher operating expenses also brought per-tax profit down by about a quarter.
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