[PAR] [TLE] Mumbai [SEP] Mumbai ( ; also known as Bombay, the official name until 1995) is the capital city of the Indian state of Maharashtra.  It is the most populous city in India with an estimated city population of 18.4 million.  Along with the neighbouring regions of the Mumbai Metropolitan Region, it is second most populous metropolitan area in India, with a population of 21.3 million as of 2016 .  Mumbai lies on the Konkan on the west coast of India and has a deep natural harbour. [PAR] [TLE] Dina Vakil [SEP] Dina Vakil (born 1946) is a journalist based in Mumbai, India.  She served as the first woman resident editor of "The Times of India' "s Bombay edition.  After graduating from Mt Holyoke College, Vakil got her graduate degree from the Columbia School of Journalism.
[PAR] [TLE] Mumbai [ SEP ] Mumbai ( ; also known as Bombay , the official name until 1995 ) is the capital city of the Indian state of Maharashtra . It is the most populous city in India with an estimated city population of 18.4 million . Along with the neighbouring regions of the Mumbai Metropolitan Region , it is second most populous metropolitan area in India , with a population of 21.3 million as of 2016 . Mumbai lies on the Konkan on the west coast of India and has a deep natural harbour . [PAR] [TLE] Dina Vakil [ SEP ] Dina Vakil ( born 1946 ) is a journalist based in Mumbai , India . She served as the first woman resident editor of " The Times of India ' " s Bombay edition . After graduating from Mt Holyoke College , Vakil got her graduate degree from the Columbia School of Journalism .
What is the estimated population of the city where journalist Dina Vakil is based?
What is the estimated population of the city where journalist Dina Vakil is based ?
18.4 million
18.4 million