Sarraf, Chairman of the nation's biggest state company by market value, kicked off the Swachh Bharat campaign from Rajahmundry in Andhra Pradesh by visting schools.
Ashok, Chairman of India's biggest refiner, started it with laying foundation of a toilet at a school near IOC's refinery in Mathra in Uttar Pradesh.
ONGC will build toilets in 2,500 government schools in 26 districts spread over 13 sates at the a cost of Rs 100 crore this year, Sarraf said.
An ONGC statement said the company began the process of building toilet at a school in Pedapalla village in Alamuru Mandal in East Godavari District.
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"The project has been launched in 2 schools in Ganjam and 8 schools in Gajapati districts of Odisha and in 10 schools near ONGC work centres in Tamil Nadu, Andhra Pradesh, Gujarat, Assam and Tripura. The mission is to achieve total sanitation in India over a period of next five years," it said.
IOC in a statement said it initiated the cleanliness drives at its offices, petrol pumps, LPG distributorships, Kisan Sewa Kendras, Colonies and various neighbouring regions across the length and breadth of the nation.
Company Director (Planning) D Sen, Director (Marketing) M Nene, Director (Pipeline) V S Okhde and Director (Refineries) Sanjiv Singh took up the brooms at IOC's Delhi, Mumbai, Raipur and Uttar Pradesh state offices respectively.
A GAIL statement said its toilet building initiative was launched from Sisupal Garh CP School in Bhubaneswar Block where bio-toilets will be constructed with provision of water supply and overhead tank.
"The GAIL supported Girls Toilet work is being undertaken under the company's corporate social responsibility programmes, entailing an expenditure of Rs 27 crore," it said.
Construction work has been kicked off at four districts - Khordha (243 toilets) and Nayagarh (132) districts of Odisha, East Godavari (336) in Andhra Pradesh and Jhabua (310) in Madhya Pradesh, it said.
BPCL Chairman S Varadarajan flagged off Swachh Bharat campaign in Bhopal.