When you're planning your visit to Orbit, you could take public transportation to the stop Uttarpara Railway Station, which is the nearest stop at 60 meters distance to the restaurant.
The Menu of Orbit from Kolkata contains about 107 different meals and drinks. On average, you pay for a dish / drink about ₹150.
Based on the average review of 4.2, the Orbit is definitely worth a visit.
The menu card of the restaurant is also suitable for vegetarians, as there are menus that entirely abstain from meat, moreover there is a wide choice of vegan dishes on the menu.