Complex sentence: The residents of Lucknow call themselves "Lucknowites" or "Lakhnavi" and in common with other metropolitan cities across India, Lucknow is a multicultural one hosting people with different dialects and languages.
Split into simpler sentences: The residents of Lucknow call themselves "Lucknowites" or "Lakhnavi". Like other metropolitan cities in India, Lucknow too is a multicultural city hosting people with different dialects and languages.