Complex sentence: They are endemic to the Indian subcontinent and were formerly popular as cagebirds with the name "avadavat" being a corruption of the name the city of "Ahmedabad" in Gujarat which was a centre of bird trade.
Split into simpler sentences: They are endemic to the Indian subcontinent and were formerly popular as cagebirds. The name "avadavat" is a corruption of the name the city of Ahmedabad in Gujarat, India, which was a centre of bird trade.