State Bank Of India [SBI] — Not getting my pension as per OROP

Address:

Jamnagar, Gujarat

My acno is [protected] in SBI Jamnagar-6280, and my PPONo.08/14/B/COR/83482/2013 and my basic was RS.10813.
As per new peion it should be 10813*2.57=27789.41.but I am receiving less. Last month and this month I got only RS.21752.00. please you me enhance my pension as per my entitlement.
With thanks
Jogy kandathil Jacob.
Email. [protected]@mail.com.
Mob.no.[protected].