Latest data from the US Treasury Department showed that India's holding declined to $115.4 billion during the month, from $116.6 billion in October 2015.
India's exposure had fallen to $113.5 billion in September from $115.6 billion seen in August.
China too raised its holding marginally.
In the three months ended December 31, the US economy grew 0.7 % while the GDP expansion stood at 2 % in July-September quarter of 2015.
"The increase in real GDP in the fourth quarter primarily reflected positive contributions from personal consumption expenditures (PCE), residential fixed investment, and federal government spending that were partly offset by negative contributions from private inventory investment, exports, and nonresidential fixed investment," the US Bureau of Economic Analysis said on January 29.