Mumbai/new delhi, July 15 -- US-based proprietary trading firm Jane Street has deposited the amount demanded by Securities and Exchange Board of India (Sebi) into an escrow account to resume trading, but according to a person familiar with the matter, it will continue to contest the regulator's order. Its options trading is on hold for now. With the payment of Rs.4,843.57 crore, Jane Street can recommence trading in the markets, per Sebi's interim order of 3 July. Now that the payment has been parked in an escrow account, stock exchanges will have to closely monitor any future dealings and positions of Jane Street entities on an ongoing basis, to ensure that entities do not either directly or indirectly indulge in any kind of "manipulative ...