Indian Geography

Karnal is correct. The National Dairy Research Institute (NDRI) is located in Karnal, Haryana. It is India's premier dairy research institute under the Indian Council of Agricultural Research (ICAR). Established in 1923, it focuses on dairy research, education, and extension activities. The other cities are incorrect - Pune has various research institutes but not NDRI, and Cochin/Thrissur are in Kerala.

Raniganj is one of India's oldest coal mines, located in the Asansol region of West Bengal. It has been a major coal-producing area since the colonial period and remains an important part of India's coal mining industry in the eastern sector.

NH 44 (formerly NH 7) is India's longest highway, running from Jammu in the north to Kanyakumari at the southern tip, spanning approximately 3,700 km. This connects the extremities of India in a north-south alignment.

Pushkar Lake is located in the Ajmer district of Rajasthan. It is a sacred Hindu pilgrimage site associated with Lord Brahma and is surrounded by 52 bathing ghats. The lake is mentioned in ancient texts and is famous for the annual Pushkar Camel Fair.

Nepanagar in Madhya Pradesh hosts India's largest newsprint paper mill, established to reduce dependence on imports. It uses bamboo and other forest-based raw materials available in the region.

Kashmir is called the 'Switzerland of India' due to its stunning mountainous landscapes, picturesque valleys, and natural beauty that resemble the Swiss Alps. The comparison highlights the region's snow-capped mountains, lakes, and tourism potential. This nickname is commonly used in travel literature and geographical descriptions of India's diverse landscapes.

Durgapur in West Bengal is called the 'Ruhr of India' because it houses major industrial plants including steel, coal, and machinery, similar to Germany's Ruhr Valley industrial region. The comparison highlights its role as an industrial hub in eastern India.

Ootacamund (Ooty or Udhagamandalam) is called the 'Queen of Nilgiris' because of its scenic beauty, pleasant climate, and colonial charm in the Nilgiri mountain range of Tamil Nadu. It was a favored summer retreat during British rule.

Shillong is called the 'Scotland of the East' due to its rolling hills, lush greenery, and colonial-era architecture that reminded European visitors of the Scottish Highlands. The capital of Meghalaya sits at around 1,500 meters elevation.

Singareni coal mines are located in the Telangana region (which was part of Andhra Pradesh until 2014). The mines are situated in the Godavari valley coalfield spread across Khammam, Warangal, and Karimnagar districts. Madhya Pradesh has coal mines in the Singrauli region, Bihar has fields in Jharkhand (now separate), and West Bengal has the Raniganj coalfield.

The Punjab Public School is located in Nabha. The answer option format listing two cities is unusual. The correct location is Nabha, Punjab, and the pairing format may indicate the school's location rather than two separate locations.

Nargu Wildlife Sanctuary is located in Mandi district of Himachal Pradesh. It's situated in the Dhauladhar range and covers an area of approximately 278 square kilometers.

Shilli Sanctuary is located in Solan district of Himachal Pradesh. It's a wildlife sanctuary established to protect the region's biodiversity.