UPDATE 1-American Tower bulks up in India with $1.2 bln Viom stake buy
October 21, 2015 at 09:42 AM EDT
MUMBAI, Oct 21 (Reuters) - American Tower Corp has agreed to buy a 51 percent controlling stake in Indian mobile mast operator Viom Networks for 76 billion rupees ($1.17 billion) to expand in the world's second-biggest telecommunications market by number of users.