There were also wins for Hockey HIM over Assam Hockey 5-1 and Hockey Madhya Bharat walloped Goans Hockey 9-3.
S Shijin (11th, 17th, 40th minutes) with a hat-trick helped Kerala take a 3-1 lead.
Rana Robindeep Singh, who scored in the 33rd minute, found the back of the net again in the 48th minute.
Rahul Sharma's 49th minute goal through a penalty corner equalised the score and Jaswant Singh's 56th minute goal gave Hockey Patiala a 4-3 lead.
M Nishant then scored for Kerala Hockey to secure a draw and split points.
In a Pool H match, Hockey Coorg beat Steel Plant Sports Board 2-1, while another closely-fought encounter saw Sports Authority of India edge out All-India Police Sports Control Board 2-1.
In Pool G, Hockey HIM outplayed Assam Hockey 5-1 while Hockey Madhya Bharat beat Goans Hockey 9-3 in a one-sided Pool H match.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)