The correct answer is option 3. Explanation & Key Takeaways: • India main imports are mineral fuels, oils, waxes, and bituminous substances (27 percent of total imports); pearls, precious and semi-precious stones and jewelry (14 percent); electrical machinery and equipment (10 percent); nuclear reactors, boilers, machinery and mechanical appliances (8 percent); and organic chemicals (4 percent). • According to the Ministry of Commerce and Industry, the fifteen largest trading partners of India represent 59.37% of total trade by India in the financial year 2016–2017. • India’s major import partners are China (16 percent of total imports), the United States (6 percent), the United Arab Emirates (6 percent), Saudi Arabia (5 percent), and Switzerland (5 percent). • The top import sources of India during the financial year 2017 are China-16.0%, USA-5.8%, UAE-5.6%, Saudi Arabia-5.2%, Indonesia- 3.5%, South Korea-3.3%, Iraq-3.1%. • India's largest trading partner in the year 2016-17 are China with 71.5 US$ billion, the USA with 64.4 US$ billion, UAE with 52.7 US$ billion, Saudi Arabia with 25.1 US$ billion, Indonesia with 16.9 US$ billion, South Korea with 16.8 US$ billion and Iraq with 12.8US$ billion. • From the above fact, the descending order of importance for the following countries as India’s trading partners for import in 2016-2017 are deduced as China, U.S.A, U.A.E, Saudi Arabia, Indonesia, South Korea, Iraq, Hence option 3 is correct.