LUCKNOW, Nov. 14 -- The 44th All India KD Singh 'Babu' Invitational Prize Money Men's Hockey Tournament served up an action-packed day on Friday, with defending champions Petroleum Sports Promotion Board (PSPB), the Indian Air Force and Punjab National Bank (PNB) all securing victories. PSPB came from behind to beat Border Security Force (BSF) 4-2, while the Air Force edged GST Chennai 4-3. PNB completed the day's results with a 3-1 win over South Central Railway (SCR), at the Padma Shri Mohd Shahid Synthetic Hockey Stadium here. In a Pool A clash, PSPB recovered from an early deficit to overcome BSF 4-2. BSF struck first when Amarbir Singh scored a fine field goal in the 12th minute, but PSPB gradually took control of the contest. Sudip Chirmako equalised in the 18th minute, finishing off a well-timed pass, before Talwinder Singh put PSPB ahead in the 30th minute. Sunil Yadav converted a penalty stroke in the 33rd minute to make it 3-1, and Chirmako added his second goal from a penalty corner in the 49th minute. Wilson Khakha pulled one back for BSF from a penalty corner in the 55th minute, but PSPB held on comfortably to record a 4-2 win. The Indian Air Force produced a late surge to defeat GST Chennai 4-3 in a Pool D encounter. GST Chennai opened the scoring through a penalty corner in the third minute, but Manip levelled the scores with a field goal in the ninth minute. After a goalless second quarter, both teams scored twice in the third quarter to leave the match locked at 3-3. The decisive moment came in the 53rd minute, when Nitesh converted a penalty corner to give the Air Force a 4-3 lead. Punjab National Bank defeated SCR 3-1, handing SCR their first loss after their opening-day win over Uttar Pradesh Police. Raju Pal gave SCR the lead with a field goal in the 13th minute. PNB responded strongly, with Abhimanyu equalising in the 19th minute. Gursimran Singh then put PNB ahead from a penalty corner in the 32nd minute, before Sachin made it 3-1 with a field goal in the 41st minute. SCR pushed for a comeback but were unable to break down PNB's defence, as PNB closed out a deserved 3-1 win....