Chakraborty, who appeared before the CBI for the first time, left the Defence Research and Development Organisation guest house complex in Santacruz a little after 9 pm, said an official.
Mumbai bowlers restricted Delhi to 211/7 and then cantered to the target in 31.5 overs, as Prithvi Shaw tore into the Delhi attack.
A round up of the fourth and final day's action of the Ranji Trophy matches on Sunday.