State-owned IndianOil commenced dispensing of CNG and PNG (piped natural gas) connections to residential units and the company has set a target of providing 1.50 crore connections across the country, a top official has said. A CNG (compressed natural gas) cylinder testing unit, claimed to be the first-of-its-kind to be set up in Tamil Nadu by AIRVIO Technologies, was inaugurated by IndianOil Corporation Ltd Director-Pipelines S Nanaware near here.