Chennai (; formerly known as Madras or ) is the capital of the Indian state of Tamil Nadu. Located on the Coromandel Coast off the Bay of Bengal, it is one of the biggest cultural, economic and educational centres in South India. According to the 2011 Indian census, it is the fifth-largest city and fourth-most populous urban agglomeration in India. The city together with the adjoining regions constitute the Chennai Metropolitan Area, which is the 36th-largest urban area by population in the world. Chennai is among the most visited Indian cities by foreign tourists. It was ranked 43rd most visited city in the world for year 2015. The Quality of Living Survey rated Chennai as the safest city in India. Chennai attracts 45 percent of health tourists visiting India, and 30 to 40 percent of domestic health tourists. As such, it is termed "India's health capital". As a growing metropolitan city in a developing country, Chennai confronts substantial pollution and other logistical and socio-economic problems. 

Chennai had the third-largest expatriate population in India at 35,000 in 2009, 82,790 in 2011 and estimated at over 100,000 by 2016. Tourism guide publisher Lonely Planet named Chennai as one of the top ten cities in the world to visit in 2015. Chennai is ranked as a beta-level city in the Global Cities Index and was ranked the best city in India by "India Today" in the 2014 annual Indian city survey. In 2015 Chennai was named the "hottest" city (worth visiting, and worth living in for long term) by the BBC, citing the mixture of both modern and traditional values. National Geographic ranked Chennai's food as second best in the world; it was the only Indian city to feature in the list. Chennai was also named the ninth-best cosmopolitan city in the world by Lonely Planet. QUESTIONS:

Q1:
1. What has Chennai as its capital?
2. What state does Chennai serve as capital of?
3. For which state is Chennai the capital city?
Q2:
1. What level city is Chennai ranked as by the Global Cities Index?
2. At what level does the Global Cities Index rank Chennai?
3. Where does Chennai fall within the Global Cities Index?
Q3:
1. What is Chennai the fourth most populous of in India?
2. What in India is Chennai the fourth most populous of?
3. Chennai has the fourth largest population amongst what in India?
Q4:
1. How many expats were living in Chennai in 2011?
2. What was Chennai's expatriate population in 2011?
3. In 2011, how many of Chennai's residents were expatriates?
Q5:
1. How many expats were living in Chennai by 2016?
2. What was Chennai's expatriate population in 2016?
3. By 2016, how many of Chennai's residents were expatriates?
Q6:
1. Who named Chennai the hottest city to visit and live in in 2016?
2. In 2016, who called Chennai the coolest city for living in and visiting?
3. What channel declared Chennai the place to live and visit in 2016?
Q7:
1. Where does Chennai's population rank against other world cities?
2. When compared to other global cities, where does Chennai's population rank?
3. What is the rank of Chennai's population amongst other cities across the globe?
Q8:
1. Why is Chennai called India's health capital?
2. How did Chennai get the moniker of health capital of India?
3. What gave Chennai its name of health capital of India?
Q9:
1. Where is Chennai located?
2. What is the location of Chennai?
3. Where can Chennai be found?
Q10:
1. What did National Geographic rank Chennai as second best in the world of?
2. National Geographic gave Chennai the designation as second best in the world at what?
3. What did National Geographic say that Chennai was second best in, globally?
