The Indian Ringneck Parrot or Parakeet (Psittacula krameri manillensis) also referred to as Rose-ringed Parakeet or, simply, Ring-necked Parakeet. Many are bred for pets.
My “Clear head clear tail green series” Indian Ringneck and 3 of the hatched babies. She still had 2 more to go at that point! :) Taken from the nest box door with iPhone