Gaurav Munjal may hold a larger stake in Unacademy's Airlearn post spin-off.Currently, Munjal holds 3.4% stake in Unacademy and is looking to increase his share in Airlearn.Munjal is in discussions with investors for additional funding for the spin-off.Unacademy's revenue primarily comes from offline business, but Munjal aims for a tech-led model with Airlearn.