You can do some window-shopping at Quest Mall during your trip to Kolkata. Stroll along the lakeside or visit the monuments in this culturally rich area.
Though Fortis Hospital might be what brings you to town, perhaps you'll have a chance to explore more of Kolkata while you are here.
You can learn about the history of Kolkata with a trip to Shrine Basilica Bandel. Stroll along the lakeside or visit the monuments in this culturally rich area.