My friend also went to Pune to talk with EcoBoard Ltd people on my instance. I asked him to go and talk and gave him some questions to ask... Here is some highlights - As per feedback, they are using Sulzer Technology for which they are not paying any Royalty or Technical Fees. They have got access to the technology almost a decade ago. They aren't eligible to claim carbon credit. Those who buy their products are eligible for Govt subsidy @ 15% + carbon credit. Their products are engineering product which generates biogas from agri wastes. Their plant (product) are sold @ ₹ 4 Cr per ton per day. Minimum product size is of 3 tonnes i.e value of ₹ 12 Cr. Thermax is one of their competitors. Recently they got an order from Narmada Sugar (MP based listed company). They do installation and fabrication at clients places. All procurements are delivered at client's site. Point to be noted are according to me-- Their product is in competition with Thermax, the Giant...good value. Each order should be min of Rs 12 Cr, that is again good value...