Ola is finalizing a pre-IPO financing round, to be led by IIFL Wealth Management and Edelweiss Private Equity, which will bring the ride-hailing company’s valuation to $7 billion, three people close to the development. Told ET. The latest fundraising, which could be in the $250-500 million range, doubles Ola’s valuation from its previous round announced in July and shows investor interest in the mobility sector.