I'm looking for specific OID which can fetch him the following information.
1. Time since interface was last cleared on the Router (3600 & 7507)
There is a similar option available for the catalyst Switches with CISCO-STACK MIB called sysClearPortTime which Specifies the time (in hundredths of a second) since the port counters were last cleared.
2. OID for the rate limit.
I would like to plot a graph showing the confirmed and exceeded traffic related to each rate limit command on a particular interface. I'm using MRTG to plot the same. MRTG can get the speicific data from the routers using a particular MIB.