Which among the following is India’s highest foreign exchange earner sector?
[A]Engineering Exports
[B]Jewellery Export
[C]Petroleum Products Export

Engineering Exports
Engineering is the leading segment of Indian industry and overseas shipments from this sector account for over twenty-two percent of India’s total merchandise exports. The engineering sector accounts for 25 percent of India’s total factories in the organized sector and contributes around 35 percent of total output in the country, being the highest foreign exchange earner. [Source]