For your budget Spark won't fit.
Given all the options your best choice is 800
virtually any mechanic can repair 800
the car has been running in Indian roads since 1983, and has proven that it is a tough workhorse.
I had 2001 5 Speed 800, only sold it because
1. no space for 2nd car in home
2. My dad couldn't sit in the car comfortably, on long trips. i too had problems with under thigh support and seat height.
the car gave me ~28 kmpl on highways and ~22-25 on city