Indrayani Biotech Limited, together with its subsidiaries, engages in the engineering, food and hospitality, healthcare and pharma, farm and dairy, infrastructure, agriculture, and biotech businesses in India. The company operates food court chains under the Nalla Sappadu brand; and offers catering services, and food court services to in shopping malls, IT parks and IT company premises. The company also designs, develops, manufactures, and maintains and services power electronics. Its products include FCBC, battery chargers, modulars, industrial and commercial on-line UPS systems, industrial inverters, AC/DC power supplies, DC-DC converters, servo-controlled voltage stabilizers, and special purpose machines. In addition, it markets and sells microorganisms based bio fertilizers, bio pest controllers, bio fortified vermi compost and bio fortified, as well as pseudomonas, beauveria bassiana, metarhizium, potash mobiliser, tricoderma viride, verticillium lecanii, humic acid, bio fortified coirpith compost, bio fortified vermicompost, MN mixture, NP virus, and VAM to farmers; and manufactures and sells milk protein-based products, such as skimmed milk powder, milk protein concentrates, milk whey powder, whey powder and protein concentrates, evaporated milk, whole milk powder, dairy whitener, and casein protein under the EnNutrica brand name directly to bulk customers. Further, the company designs, engineers, and manufactures waste heat recovery systems package boilers, economisers, super heaters, steam drums, deaerator cum feed water storage tankers, blow down systems, dosing systems, heat exchangers, pressure vessels and storage tanks, water-preheaters, and air-preheaters under the IBL MATRIX brand; and produces and supplies organic vegetables, fruits, and other grocery industries and other establishments, as well as constructs commercial and residential infrastructure projects. Indrayani Biotech Limited was incorporated in 1992 and is based in Chennai, India.