India's holdings of American government securities increased by nearly $13 billion to $169.9 billion at the end of May, according to latest official data.
So far this year, the country's exposure has seen significant fluctuations and had touched a record high of $177.5 billion in February.
After marginally rising to $157.4 billion in April, the holdings jumped to $169.9 billion in May, an increase of around $13 billion in a month's time.
In March, the exposure had come down steeply to $156.5 billion