Jaitely, 65, had stopped attending office in early April to undergo the surgery. Railway Minister Piyush Goyal was temporarily given an additional charge of the finance and corporate affairs ministry in May.
A prominent member of India Prime Minister Narendra Modi’s inner circle, Jaitley, had a gastric bypass operation in 2014 to keep his diabetes in check.
President Ram Nath Kovind assigned the portfolios to Jaitley on the advice of Prime Minister, a statement added.