CICS : How to get version of CICS

Use the CICS inquire system command to get the version of cics. 

Code: 
EXEC CICS INQUIRE SYSTEM 

or 

Code: 
CEMT INQUIRE SYSTEM 

Look for RELEASE to find the version number it will be 0410 for CICS V4R1, For CICS TS 1.3 it will be 0530 and CICS TS 2.2, RELEASE is 0620.