Enjoy an outing to Isha Yoga Center during your stay in Coimbatore. While you're in the area, wander around the natural setting.
Explore the great outdoors at CHIL SEZ IT Park, a lovely green space in Saravanampatty. Make some time to visit the temples while you're in the area.
Though Ganga hospital might be what brings you to town, perhaps you'll have a chance to explore more of Coimbatore while you are here.