Indian Oil Corporation [ Get Quote ] and Punjab [ Images ] and Sind Bank entered the semi-finals of the 62nd Senior National Hockey Championship at the Olympian Surjit hockey stadium in Jalandhar [ Images ] on Sunday.

IOC got the better of Railways by solitary goal while PSB blanked Chandigarh 2-0.

Namdhari XI upset hosts Punjab 1-0 in another match of the day.

International Didar Singh converted the lone penalty-corner that Indian Oil earned to give them an early lead in the 12th minute of the match, which was otherwise dominated by Railways.

Railways had four penalty-corners in the first-half but IOC goalkeeper Baljit Singh proved hard to beat.

In the second session, Railways earned two more penalty-corners but failed to convert them.

PSB won easily against Chandigarh in a scrappy match. Sharanjit Singh opened the account for holders PSB, converting a penalty-corner in the 24th minute. Rajwinder Singh consolidated the lead, scoring a superb goal in the 40th minute.

Gurpreet scored in the 62nd min as Namdhari beat Punjab.