Cravath, Swaine & Moore, Majmudar & Partners and White & Case star in Anthem’s $54.2 billion purchase of Cigna Corp, Khaitan & Co and Shardul Amarchand Mangaldas advise on the NDA government’s $1.4 billion sale of a 10 percent stake in Indian Oil Corp Ltd, Clifford Chance represents Mitsubishi on a $1.1 billion deal to acquire a strategic stake in Olam International, and more in this week’s Southeast Asia Deals table.