Sandeep, ever heard that " fools rush in where angels fear to tread" ? MMS was rushing in to conclude this deal, not because he was working in National Interest but because he was working to please Big Brother (Bush).
Besides, it is common knowledge that Vajpayee initiated the dialogue and almost had the same agreement before his departure in 2004, but he was not satisfied with this agreement. So he didn't operationalise it and wanted to look at it afresh after the elections. That is Statesmanship.