Answer : 3. "शहीद कैप्टन तुषार महाजन रेलवे स्टेशन "
Explanation :

1. Udhampur Railway Station renamed Shaheed Captain Tushar Mahajan Railway Station.

2. Northern Railway has issued a notification to change the name of 'Martyr Captain Tushar Mahajan Railway Station' in honour of the brave army man.

3. Captain Tushar Mahajan was born on May 25, 1987 in Udhampur, Jammu and Kashmir.