Question: narrow channel of sea that separates sri lanka and india
Answer: The Palk Strait ( Tamil : பாக்கு சலசந்தி / பாக்கு நீரிணை , Sinhala : පෝක් සමුද්‍ර සන්ධිය Pok Samudra Sandhiya ) is a strait between the Tamil Nadu state of India and the Mannar district of the Northern Province of the island nation of Sri Lanka .