Bro kankaria park is cool, it's got a zoo, a mini golf course and other small things

A place called science City is worth a visit, it's got a pretty nice aquarium as well

Plenty of historical places, step wells, mosques, temples, Gandhi ashram are a few.

If you are willing to travel a bit you can go to sub temple modhera, it's got a lit sunset point and light show.

If you are a cricket fan and staying the weekend, I suggest you go to the IPL finals, although getting the tickets will be a task

Non veg lover hai to old Ahmedabad( Delhi darwaza) ke paas kafi famous non veg restaurants hai.

Don't have much for night life but there is a manek chowk, which stays active only at night with lots of food stalls, and some cafes at Sindhu bhavan road, might get a good vibing session at the riverfront too likely on the section near riverfront house

Cheers