A 20-year-old engineering student Sayandip Ghosh Chowdhury was severely beaten up by drunken youths at Kakinara railway station on the Sealdah-Ranaghat section, on Wednesday night when he tried to protect his sister from being molested by them. The girl, a Class-XII passout, was waiting to board a train back home along with his brother, when the gang attacked. Despite repeated appeals by the girl to save her brother, neither the GRP nor the passengers allegdly came to help them. The trio continued to beat the boy till three of the girl's tuition friends rescued him.