esa support group to state pension.

got letter telling me that when i start getting state pension "sept" the severe disablement and disability income guarantee parts of my esa will stop, but letter goes on will continue to get living expenses £73.10 and support group payment £38.55, £111.65 in total. how long will i get this amount and no mention of state pension. so for ignorance but i am bamboozled. i also recieve dla with no contact about pip 65 in march! can any one clarify please, i would be so grateful. laz.