​​Singtel and Sunil Mittal's Bharti Enterprises have decided to work towards equalising their effective shareholdings in Airtel over time. KKR and Co.is in advanced negotiations to invest around $400 million in Hero Group’s renewables energy company Hero Future Energies (HFE), in what would be the US private equity manager's single largest cheque in the Indian clean energy space so far, said people aware of the development. Saint Petersburg-based Gazprom, the state-owned multinational energy company, has likely proposed to the Indian public sector company that it purchase the fuel from Gazprom Singapore and settle payments in euros in future trades.