The reserves had touched a life-time high of $430.572 billion in August this year. : The country's foreign exchange reserves fell by $446 million to $428.604 billion in the week to August 30, mainly on account of a drop in foreign currency assets, RBI data showed on Friday. In the previous week, the reserves declined by a steep $1.45 billion to $429.050 billion. In the week to August 30, foreign currency assets, a major component of overall reserves, declined by $1.124 billion to $396 billion, the Reserve Bank said.