Passengers can now store their baggage and other items at the 'Left Luggage (Baggage Storage) Facility' that is available at all terminals. Passengers also have the option of depositing luggage at Domestic Terminals and collecting them at the International Terminal and vice versa. This facility is provided by Trident Flight Handlers (P) Ltd and bags are accepted for safe keeping up to 90 days

For Rates
http://www.tridentflighthandlers.com/mumbai.html

Left Luggage Facility Locations
Domestic Terminal 1A - Arrival Hall  –  +91-9833857114
Domestic Terminal 1B - Arrival Hall Exit Ramp  –  +91-9833868722
International Terminal - Near Integrated Exit of Terminal 2B & 2C  –  +91-9769068860

Mail - trident_feedback@tfhcorp.com
Website - www.tridentflighthandlers.com