NH 7, also known as the Varanasi-Kanyakumari National Highway, is the longest National Highway in India, stretching for a distance of 2,369 kilometers.

Mumbai, formerly known as Bombay, is often referred to as the 'Gateway of India' due to its historical significance as a major port city and its role as a gateway for trade and commerce.

NH 8, also known as the Delhi-Jaipur-Ahmedabad-Mumbai National Highway, is considered to be the busiest road in India due to its high traffic volume and its importance as a major transportation corridor connecting several major cities.

NH 2, also known as the Grand Trunk Road, is the oldest National Highway in India, dating back to the Mughal era. It connects Delhi to Kolkata and is one of the most important highways in the country.

The Golden Quadrilateral project connects four major cities in India: Delhi, Mumbai, Chennai, and Kolkata. Hyderabad is not included in this project.

The Yamuna Expressway, also known as the Taj Expressway, is the longest expressway in India, stretching for a distance of 165 kilometers.

Kolkata, formerly known as Calcutta, is often referred to as the 'City of Joy' due to its vibrant culture, rich history, and friendly people.

Jawaharlal Nehru Port, located in Mumbai, is the busiest port in India, handling a significant portion of the country's import and export trade.

Mahatma Gandhi Setu, also known as the Ganga Bridge, is the longest bridge in India, stretching for a distance of 5.75 kilometers.

Bangalore, also known as Bengaluru, is often referred to as the 'Silicon Valley of India' due to its thriving technology industry and numerous IT companies.

Indira Gandhi International Airport, located in Delhi, is the busiest airport in India, handling a significant number of domestic and international flights.

Atal Tunnel, also known as the Rohtang Tunnel, is the longest tunnel in India, stretching for a distance of 9.02 kilometers.

Khardung La, located in the Ladakh region of Jammu and Kashmir, is the highest mountain pass in India, with an elevation of 5,359 meters.

Indian Railways is the largest railway network in India, operating over 120,000 kilometers of track and transporting millions of passengers and goods daily.