Complex sentence: The breeding season in India is March to May and they nest in the hollow of a tree at a height of 3 to 5 metres and raise a clutch of four eggs (three eggs in "malabaricum").
Split into simpler sentences: The breeding season in India is March to May and they nest in the hollow of a tree at a height of 3 to 5 metres. The typical clutch consistis of four eggs (three eggs in "malabaricum").