Minova Runaya Pvt. is planning to invest Rs 300 crore on the expansion of ground support and strengthening products for the mining and infrastructure sectors as it looks to make India its "export hub" for its products.The joint venture between manufacturing start-up Runaya and UK-based Minova sees strong demand emerging from rail, roads, mines and underground tunnel segments, which will help grow its revenue fourfold in the next thre...