As per the Census of India 2011, Haryana had the lowest sex ratio among all the Indian states. The sex ratio is defined as the number of females per 1,000 males. Haryana's sex ratio was reported to be lower than the national average at that time. Efforts have been made to address gender imbalances and improve the sex ratio in various regions of the country through awareness campaigns and policy measures.

Ahmedabad is often referred to as the "Manchester of India." This title is attributed to Ahmedabad due to its historical significance as a major center for textile manufacturing and the cotton industry. Just as Manchester in the United Kingdom is renowned for its textile heritage, Ahmedabad has played a crucial role in India's textile industry, making it a significant industrial and economic hub.

Books in electronic formats are commonly referred to as "e-books" or "ebooks." E-books are digital versions of printed books that can be read on electronic devices such as e-readers, tablets, smartphones, or computers. They offer the convenience of portability and easy access, allowing readers to carry an entire library in a single device.

World Polio Day is observed annually on October 24th. This day is dedicated to raising awareness about the importance of polio vaccination and efforts to eradicate polio worldwide. It is an opportunity to celebrate the progress made in the fight against polio and to renew commitments to end this crippling disease.

The NDA is located at Khadakwasla near Pune in the state of Maharashtra, India. It is the premier institution for training officers for the Indian Armed Forces. Dehradun, on the other hand, is home to the Indian Military Academy (IMA), which trains officers for the Indian Army.

Chhatrapati Shivaji Terminus (formerly known as Victoria Terminus) in Mumbai, India, was designed by the British architect Frederick William Stevens. The station, a UNESCO World Heritage Site, is a historic railway station and a remarkable example of Victorian Gothic architecture in India. It was completed in 1888 and has since been an iconic landmark in Mumbai.