Hi Anu,
Use FM: /SAPTRX/BAPI_EH_GET_DATA or /SAPTRX/BAPI_EH_GET_DATA_GEN to get the data.
In these FMs, you will get complete snap shot of the Event Handler and it's events.
For just events, you can also use /SAPTRX/BAPI_EVM_DISPLAY_DATA.
Thanks,
Vishnu