The total reserves had dipped by $4.48 billion to $280.16 billion in the previous reporting week.
Foreign currency assets, a major component of the forex reserves, were up by $33.5 million to $252.14 billion for the week ended July 12, Reserve Bank said.
Foreign currency assets expressed in US dollar terms include the effect of appreciation or depreciation of the non-US currencies, such as the euro, pound and yen, held in the reserves, the apex bank said.
After a heavy $1 billion plus fall last week, the gold reserves were unchanged at $21.55 billion, the apex bank said.
For the week under review, the special drawing rights (SDRs) were down by $1.5 million to $4.334 billion, while the country's reserve position with the IMF was also down by $19.1 million to $2.162 billion, the apex bank data showed.