✅ Answer: B) 2000PMGSY (Pradhan Mantri Gram Sadak Yojana) was launched on December 25, 2000 by PM Atal Bihari Vajpayee. It aims to provide all-weather road connectivity to unconnected rural habitations. It is a Centrally Sponsored Scheme. Under PMGSY, roads are built to connect villages with population of 500+ (250+ in hilly/tribal areas). It has connected over 1.8 lakh habitations.

✅ Answer: B) SecunderabadThe South Central Railway (SCR) zone has its headquarters at Secunderabad (Telangana). It covers Telangana, Andhra Pradesh, and parts of Maharashtra and Karnataka. Indian Railways has 18 zones. The South Western Railway is headquartered at Hubballi (Karnataka). The Southern Railway is headquartered at Chennai. Secunderabad is a major railway junction in South India.

✅ Answer: B) KolkataKolkata (formerly Calcutta) is the oldest port in India. It is a riverine port located on the Hooghly river (a distributary of the Ganga). It was the main port during British rule. The Haldia dock complex was developed to handle larger ships. Chennai is the oldest artificial port in India. Mumbai has the best natural harbour. Kolkata port handles coal, iron ore, jute, and general cargo.

✅ Answer: A) Eastern DFC (Ludhiana–Dankuni) and Western DFC (Dadri–JNPT)India’s Dedicated Freight Corridor (DFC) has two main corridors: Eastern DFC (1,337 km, Ludhiana to Dankuni, West Bengal) and Western DFC (1,504 km, Dadri, UP to JNPT, Mumbai). The Eastern DFC is funded by World Bank; Western DFC by Japan (JICA). DFCs are designed exclusively for freight trains, allowing passenger trains to run faster on existing tracks.

✅ Answer: A) Petroleum productsPetroleum products (refined petroleum) is India’s top export commodity. India imports crude oil and exports refined petroleum products. Other major exports: gems & jewellery, pharmaceuticals, engineering goods, textiles, chemicals. India’s top export destinations: USA, UAE, China, Bangladesh, Netherlands. India’s total exports are about $450 billion annually. India is the world’s largest refiner of petroleum products.

✅ Answer: B) 1986The Inland Waterways Authority of India (IWAI) was established in 1986 under the Inland Waterways Authority of India Act, 1985. It is responsible for development and regulation of inland waterways for shipping and navigation. India has 111 National Waterways. NW-1 (Ganga, Allahabad to Haldia, 1,620 km) is the longest. NW-3 (Kerala backwaters) is the most developed.

✅ Answer: C) 137The Airports Authority of India (AAI) manages 137 airports including international, domestic, and civil enclaves. AAI was formed in 1995 by merging the National Airports Authority and International Airports Authority of India. The largest airport is Indira Gandhi International Airport (IGI), New Delhi. India has about 500+ airstrips/airports in total including private and defence airfields.

✅ Answer: B) 1995India became a founding member of the World Trade Organization (WTO) on January 1, 1995. WTO replaced GATT (General Agreement on Tariffs and Trade). WTO headquarters is in Geneva, Switzerland. WTO has 164 member countries. India is an active member and has used WTO dispute settlement mechanisms. India advocates for developing countries’ interests in WTO negotiations.

✅ Answer: B) National highway developmentBharatmala Pariyojana is a national highway development project approved in 2017. Phase I covers 34,800 km of new highways. It focuses on economic corridors, inter-corridors, ring roads, and border/coastal roads. Total investment: ~₹5.35 lakh crore. It aims to reduce logistics costs and improve connectivity. It includes the development of 50 economic corridors across India.

✅ Answer: C) Narrow gaugeThe Darjeeling Himalayan Railway (DHR), known as the “Toy Train,” uses narrow gauge (2 feet / 0.610m). It was declared a UNESCO World Heritage Site in 1999. It runs from New Jalpaiguri to Darjeeling (88 km). Other UNESCO heritage railways: Nilgiri Mountain Railway (Tamil Nadu) and Kalka-Shimla Railway (Himachal Pradesh). All three are narrow gauge mountain railways.