Armed with deep pockets and distinguished brands, some of India’s biggest mega-corps are diversifying away from their flagship businesses. Synergies do exist in most cases, but do some of these promoters run the risk of spreading themselves too thin? BT's Anand Adhikari finds out.

The 43-year-old school dropout, Gautam Adani, who was recently ranked #10 among Indian billionaires by Forbes, is thinking big—and ahead—for ways to expand his business empire. He already runs the Mundra Port in Gujarat. That’s only Act I in his plan of becoming India’s largest infrastructure player. A report by BT's Anand Adhikari.

He has shown what he could do with CDs, but his biggest bet yet is on solar power.