Greaves Electricity Mobility has filed its preliminary papers with SEBI for an IPO to raise up to Rs 1,000 crore.The IPO includes a fresh issue of Rs 100 crore and an offer for sale of up to 18.9 crore shares.The funds raised will be used for technology development, manufacturing expansion, and in-house battery assembly.Motilal Oswal Investment Advisors Ltd., IIFL Capital Services Ltd., and JM Financial Ltd. are the book-running lead managers for the IPO.