I think my first train journey was in ms to Thanjavur in night train (boat mail) in 1965 as 2 year baby .later on travelled in passenger train with sisters cousin from Korattur to villivakkam in steam pax train 1969( in Chennai )
First independent train journey was in oct 1976 in Kashi Vishwanath exp from New Delhi to Varanasi and back also s) in legendary Tamilnadu express NDLs to mas &back Jan 1977