@Thomas Richard

hello Thomas, 
Although Maple  support did reply me today, but I already found a solution before.
i just used the command: 
ExcelTools[Export](plottools[getdata](aplot)[1][3], "curve1.xls");

and it pretty much works.
The solution of Maple Support I am yet to check in detail.

thanks a lot for your advice 
regards,
A.

dear both,

thank you for your time and valuable suggestions. 
Mr. Richard, i tried with your hint (since I have a higher version than Maple 15)  but I am unable to manage so to get the final data. 
I have sent you a email from my work address.  
hope to get your reply soon 
best regards and thanks again you both,
Abhishek