NH 44, also known as the Srinagar-Kanyakumari Highway, is the longest national highway in India, stretching over 3,745 kilometers.

Mumbai is known as the 'Gateway of India' due to its historical significance as a major port city and the entry point for many travelers and traders to India.

Indian Railways is the largest railway network in Asia and the second largest in the world, operating over 126,000 kilometers of track.

Indira Gandhi International Airport in Delhi is the busiest airport in India, handling over 70 million passengers annually.

The Ganges River is designated as the 'National Waterway 1' of India, stretching over 2,500 kilometers from Haridwar to Haldia.

The telegraph, an electrical device that transmits messages over long distances using electrical signals, revolutionized long-distance communication in the 19th century.

Bangalore, the capital of Karnataka, is known as the 'Silicon Valley of India' due to its concentration of high-tech industries and technology companies.

Aryabhata, India's first satellite, was launched in 1975 to establish a domestic satellite communication system.

Kolkata, located on the banks of the Hooghly River, is known as the 'Diamond Harbour' due to its historical role as a major center for diamond trading.

Udaipur, located in Rajasthan, is known as the 'City of Lakes' due to its numerous natural and artificial lakes.

Jawaharlal Nehru Port, located in Mumbai, is the largest port in India by cargo tonnage.

Varanasi, located on the banks of the Ganges River, is known as the 'Cultural Capital of India' due to its rich cultural and historical heritage.

Jaipur, the capital of Rajasthan, is known as the 'Pink City' due to the distinctive pink color of its buildings.

Lucknow, the capital of Uttar Pradesh, is known as the 'City of Nawabs' due to its historical association with the Nawabs of Awadh.

Bangalore, the capital of Karnataka, is known as the 'Garden City of India' due to its numerous parks, gardens, and tree-lined avenues.