Answer: C) India Explanation: According to a Report by analyst firm Canalys, India has become the second largest smartphone market in the world.

Answer: D) Green Thumb Explanation: The TATA Projects has launched unique “Green Thumb” initiative in India to promote green cover and to protect the environment on 2017 World Environment Day (WED). The Green Thumb 2017 is in continuation to 2016 TATA Projects’ programme wherein it aimed to get 10,000 people to click (pledge) to plant a sapling on their behalf – the response received was a tremendous 23,000. Encouraged by the response, TATA Projects planted a total of over 42,000 saplings across the country in over 100 locations in the last one year (2016-17). This year, under Green Thumb initiative, the company will plants trees, citizens who wish to do their bit to save the environment, can express their support for the cause. They can do so by clicking on the banner to plant a sapling on the Green Thumb.

Answer: A) Taj Mahal Explanation: Iconic attraction of India Taj Mahal has emerged as the 5th most popular landmark in the world and 2nd in Asia, according to the online travel portal TripAdvisor’s ‘Travellers’ Choice Awards for Landmarks. Globally, Angkor Wat in Cambodia, Sheikh Zayed Grand Mosque Center in Abu Dhabi, Mezquita Cathedral de Cordoba in Spain, and St Peter’s Basilica in Italy, bagged the first four ranks respectively. Whereas, the top 10 landmarks in Asia has been topped by Angkor Wat, followed by Taj Mahal on the second place. Apart from this, Taj Mahal has also ranked first in the list of popular landmarks in India, followed by AmberFort, Jaipur; Swaminarayan Akshardham, New Delhi, etc.

Answer: C) Tea Explanation: Makaibari is the world's first tea factory and was established in 1859 in Darjeeling, West Bengal.    It is most expensive tea in India which costs around 1.12 lakhs for 1 kg of tea.   Hence, Makaibari is the costliest variety of Tea.

Answer: B) Chhatrapati Shivaji International Airport Explanation: The GVK group-run Mumbai airport has become the world’s busiest amongst the single-runway facilities by handling 837 flights a day or one in 65 seconds on an average in fiscal 2017.

Answer: B) Indira Gandhi International Airport, New Delhi Explanation:

Answer: A) Northern Viper Explanation:

Answer: A) Mukesh Ambani Explanation: According to 2018 January reports, Mukesh Ambani is the first richest person in India being 18th in the world, followed by Azim Premji and S.P. Hinduja in second and third places.