Mumbai: India's foreign exchange (Forex) reserves rose by USD 1.61 billion to USD 318.22 billion for the week ended August 19 as compared to USD 316.60 billion in the previous week, official data on Saturday showed.

The Forex reserves rose for the first time in the last three weeks. The Forex reserves kitty had dropped by USD 621 million and USD 1.86 billion respectively during the previous two weeks after surging to an all-time high of USD 319.08 billion recorded during the week ended on July 29.

Foreign currency assets, the biggest component of the Forex reserves kitty, rose by USD 1.58 billion to USD 285.25 billion during the week ended on August 19, according to the weekly statistical supplement of the Reserve Bank of India.

The foreign currency assets expressed in US dollar terms include the effect of appreciation or depreciation of non-US currencies such as the pound sterling, Euro and Yen held in reserve.

The value of special drawing rights (SDRs) increased by USD 19 million to USD 4.63 billion and reserves with the International Monetary Fund rose by USD 12 million to USD 2.98 billion.

However, the value of gold reserves remained unchanged at USD 25.35 billion.