NEW DELHI (Reuters) - India's trade deficit narrowed to $10.37 billion in December from provisional $13 billion a month ago, government data showed on Friday.

Merchandise exports <INEXP=ECI> grew 5.72 percent year-on-year to $23.88 billion last month, while imports <INIMP=ECI> rose 0.46 percent year-on-year to $34.25 billion, the data showed.

(Reporting by Rajesh Kumar Singh; Editing by Malini Menon)