Oil is on a boil and coal prices are all fired up. No wonder that top notch Indian firms are now sniffing big opportunities in alternative energy. After Mukesh Ambani's Reliance Industries, it's now the turn of Larsen & Toubro to make a foray into solar energy. Although the final blueprint is yet to be drawn up, NDTV has learnt that India's largest engineering company could team up with an international technology partner to make it big in solar energy.