Explanation:

- Mughal Sarai Railway Station, one of the oldest and busiest stations in India, was renamed in 2018.

- Option 1: Madan Mohan Malviya – He was an Indian educationist and politician, but there are no direct ties to the renaming.

- Option 2: Gopal Krishna Gokhale – A noted freedom fighter and social reformer, but the station is not named after him.

- Option 3: Ram Manohar Lohia – A prominent freedom fighter and socialist, yet unrelated to the station's new name.

- Option 4: Deen Dayal Upadhyaya – The station was renamed Pandit Deen Dayal Upadhyaya Junction to honor the RSS thinker and co-founder of the Bharatiya Jana Sangh.

Your answer is right