Answer: Honey
Explanation for the Riddle:
The first clue “mithai” or sweet greatly support the name “HONEY” as the honey that we get from the honey bees is sweet.
The second clue on this riddle is dawai or “Medicine” which again is “HONEY”. The honey that we get from honey bees is a good medicine for wounds, ulcers and burns. You can check wikipedia for the same.
The third clue of this riddle which is a “film Name” is also Honey. There was a Hollywood film by the name Honey starring Jessica Alba.
The fourth clue mentioned, which is name of a ladki or a girl equates to “HONEY”. Honey is pretty common name in America. One famous woman name Honey Lauren who has acted in a few movies of Hollywood.
The fifth clue is Name of a City which is Honey Grove is a city in Fannin County, Texas, United States.
The sixth clue is the car name so we have Honey cars a car manufacturer in Japan.
The seventh clue is name of a place which is Honey Creek in USA or the Honey place in Australia.
The eight clue is pretty easy honey is a common name used for dogs.
Therefore, the best name that can be used for all the eight clues is the name “HONEY”.