Profit before tax rose to $65.4 million in the three months ended March 31, from $29.47 million a year earlier.
Gold sales rose 13.9 percent to 131,045 ounces, while average realised gold price rose about 9 percent to $1,328 per ounce.
Cash costs of production fell about 11 percent to $71.3 million, pushing unit costs down 21 percent to $581 per ounce produced.
The company also maintained its full-year production guidance of 580,000 ounces at forecast cash cost of production of $555 per ounce and all-in sustaining costs of $770 per ounce.
(Reporting by Arathy S Nair in Bengaluru; Editing by Sunil Nair)