✅ Answer: A) NH-44 (Srinagar to Kanyakumari)NH-44 is the longest national highway in India, stretching 3,745 km from Srinagar (J&K) to Kanyakumari (Tamil Nadu). It passes through 11 states. It was earlier known as NH-7 (Varanasi to Kanyakumari). The National Highways Authority of India (NHAI) maintains national highways. India has ~1.46 lakh km of national highways.

✅ Answer: A) Delhi, Mumbai, Chennai, KolkataThe Golden Quadrilateral connects the four metro cities: Delhi, Mumbai, Chennai, and Kolkata. It is 5,846 km long and is part of the National Highway Development Project (NHDP) Phase I. It was launched in 2001 under PM Atal Bihari Vajpayee. It passes through 13 states and is the largest highway project in India. It carries about 40% of India’s road traffic.

✅ Answer: A) New DelhiThe headquarters of Indian Railways (Railway Board) is located in New Delhi. Indian Railways is the 4th largest railway network in the world with ~68,000 km of track. It has 18 zones. It is the largest employer in India with ~12 lakh employees. Indian Railways carries about 23 million passengers and 3 million tonnes of freight daily.

✅ Answer: A) JNPT (Jawaharlal Nehru Port), MaharashtraJNPT (Jawaharlal Nehru Port Trust) in Navi Mumbai, Maharashtra is the largest container port in India, handling about 55% of India’s container traffic. It is also called Nhava Sheva. Mundra Port (Gujarat, Adani Group) is the largest port by total cargo volume. India has 13 major ports managed by the central government and 200+ minor ports managed by state governments.

✅ Answer: B) Regional air connectivityUDAN (Ude Desh ka Aam Naagrik) is a regional air connectivity scheme launched in 2016. It aims to make air travel affordable for common people by connecting smaller cities and towns. Under UDAN, airfares are capped at ₹2,500 for 1-hour flights. The scheme has connected over 400 routes and 70+ airports. It is part of the National Civil Aviation Policy (NCAP) 2016.

✅ Answer: A) Roha (Maharashtra) to Thokur (Karnataka)The Konkan Railway runs 760 km from Roha (Maharashtra) to Thokur (Mangaluru, Karnataka), passing through Goa. It was completed in 1998 and is considered one of the most challenging railway projects in India due to the Western Ghats terrain. It has 2,000+ bridges and 91 tunnels. The Karbude tunnel (6.5 km) is the longest railway tunnel in India on this route.

✅ Answer: C) VisakhapatnamVisakhapatnam (Vizag) in Andhra Pradesh is the deepest landlocked port in India. It is also the largest iron ore exporting port. The port is protected by a natural headland. Kolkata is the oldest port (riverine port on Hooghly). Mumbai has a natural harbour. Kochi also has a natural harbour. Visakhapatnam handles iron ore, petroleum, fertilizers, and general cargo.

✅ Answer: B) Optical fibre broadband to all gram panchayatsBharatNet is a project to provide optical fibre broadband connectivity to all 2.5 lakh gram panchayats in India. It is implemented by BBNL (Bharat Broadband Network Limited). It is part of the Digital India initiative. The project aims to provide 100 Mbps broadband to rural areas. Phase I connected 1 lakh gram panchayats; Phase II aims to cover all remaining panchayats.

✅ Answer: B) Port-led development and coastal shippingThe Sagarmala Project was launched in 2015 for port-led development. It aims to modernise ports, develop coastal shipping, promote port-linked industrialisation, and improve coastal community development. It has 600+ projects worth ₹6 lakh crore. It aims to reduce logistics costs and increase India’s share in global trade. The Ministry of Ports, Shipping and Waterways oversees it.

✅ Answer: A) ChinaChina is India’s largest trading partner in terms of total trade (imports + exports combined). India imports heavily from China (electronics, machinery, chemicals) but exports much less — resulting in a large trade deficit with China. USA is India’s largest export destination. UAE is India’s 2nd largest export partner. India has a trade deficit with most countries — imports exceed exports.