"The talks were positive and he listened to our concern. He said he will continue the deliberation on the issue," Maj Gen Satbir Singh (Retd) said after the meeting.
Singh told reporters that the planned rally on June 14 followed by a hunger strike the next day will continue.
OROP seeks to ensure that a uniform pension is paid to the defence personnel retiring in the same rank with the same length of service, irrespective of their date of retirement.
Manohar Parrikar has repeatedly said the government has completed all formalities and OROP will be implemented soon.