All Indian Railways were nationalized in 1951 except for the Shakuntala Railways.
The Victoria Memorial was built in memory of Queen Victoria.
https://www.britannica.com/place/Victoria-Memorial-Kolkata
Opened in 1924, The Gateway of India is an arch monument that celebrates King George V and Queen Mary landing at Apollo Bunder during their trip to India.
https://www.cntraveler.com/activities/mumbai/the-gateway-of-india
Old Governor Generals House was the oldest British cantonment set up in Barrackpore.
Netaji Subhash Chandra Bose Island is an abandoned settlement established by British colonists.
https://www.atlasobscura.com/places/ross-island
1. British colonization reduced India’s economy by supplying raw materials for Great Britain. Raw silk and cotton, sugar, tea, jute, and rubber were the main materials exported out of India and into Britain. Indian residents agreed to become Indentured laborers providing cheap labor for Britain in order to escape extreme poverty.
https://byjus.com/commerce/foreign-trade-in-india-during-the-colonial-rule/
2. Britain used military force and advanced technology to maintain power over India. At the beginning of the British Raj, the period of British Rule from 1858 to 1947, the rule was transferred to Queen Victoria. The crown was then passed to Edward VII, George V, Edward VII, and ended with George VI.
https://www.britannica.com/event/British-raj
3. They believed they were benefitting India as a country through its presence by providing Christian influence, their legal system, economic benefits, and increased education.