Fighting under the banner of Indian Ex-Servicemen Movement (IESM), the former soldiers will return their medals on September 13.
There are nearly 20 lakh ex-servicemen in the country and a chunk of them are demanding that under the OROP norm, personnel retiring from a same rank after having served for equal number of years should get same pension irrespective of the date and time of retirement.
Their protest grew louder after the implementation of sixth pay commission report for central government employees as the anomaly became more pronounced.
"We will deposit our medals with the President on September 13 and continue to demand for the implementation of the OROP in totality," IESM Chairman Lieutenant General Raj Kadyan (retd) said.
"Till now, we have deposited 15,000 medals with the President in three instalments and will continue to do so in future also," he said.
The ex-servicemen claim that the government has created an impression that the OROP demand has been accepted but some recent steps in this regard have just helped in equating pre-1997 and post-1997 pensioners and the difference in pensions still exists.