The movement originated in the Himalayan region of Uttarakhand (then part of Uttar Pradesh) in 1973 and quickly spread throughout the Indian Himalayas. The Hindi word chipko means “to hug” or “to cling to” and reflects the demonstrators' primary tactic of embracing trees to impede loggers.

Nicolao Manucci was a foreign traveller who visited India during the rule of Shahjahan. He illustrated the Mughal court in his book “ Storia do Mogor”.

Reverse osmosis is used for desalination of sea water.

In 2016, President Pranab Mukherjee declared Kerala as the first digital state of the country.

When hypothesis are confirmed by varied tests then it becomes theory. A theory is always backed by evidence; a hypothesis is only a suggested possible outcome, and is testable and falsifiable.

The present lokayukt is Harish Chandra Mishra of Delhi.

Abhinav Bharat Society (Young India Society) was an Indian Independence secret society founded by Vinayak Damodar Savarkar and his brother Ganesh Damodar Savarkar in 1904.

Bankim Chandra Chatterjee wrote the national song Vande Mataram. It is a poem written in Sanskrit by Bankim Chandra Chatterjee in his Bengali novel Anandamath. It later was made the National Song of our country.