The statement said Reliance Industries has invested an undisclosed sum in Karkinos through Reliance Digital Health for a minority stake.Commenting on the investment, Venkataramanan R, chief executive of Karkinos Healthcare said this investment yet again validates our pioneering model of distributed cancer care and the potential impact it can have in the country.Though headquartered in Mumbai, it has operations only in Kerala now with services available in four locations in the state- Kothamangalam and Chottanikkara in Ernakulma district of Kerala.