Pachpadra, Sep 23 (ANI): UPA chairperson Sonia Gandhi laid the foundation stone of a refinery and petrochemical complex, worth rupees 370 billion at Pachpadra in Barmer region of Rajasthan on Sunday. On the occasion she was accompanied by state chief minister Ashok Gehlot and India's Minister of Petroleum and Natural Gas, Marpadi Veerappa Moily. In her address, Gandhi called it a 'revolutionary project' and said that the project would bring accelerated growth in the region and millions of people would be benefited from it. Under a joint venture, the central government owned Hindustan Petroleum Chemicals Limited has collaborated with the state government to set up this project, which would be a landmark in the path of economic development in Rajasthan.