Hi Aradhya,
First download your OLE generated object into Presentation Server(i.e. particular location) , then with the help of this FMs ""SO_DOCUMENT_SEND_API1" or "SO_NEW_DOCUMENT_SEND_API1" you can send Excel Sheet attached to your respective mail id . Search in SCN.SAP.COM lot of Sample code you can find code and discussion on this FMs .
Regard's
Smruti