BBMP seems to have made a silent move after the initial hype about the road history being available of all roads in Bangalore which was announced few months ago..a google search leads to the below site which gives the information:
Use IE to open it (needs silverlight), chrome needs some tweaks to make it work.
I tried to open a sample road detail (WAT street Basavanagudi), it did provide the history of the last asphalting done there which said it was done late 2014. Attached is the file.
The bills were cleared for it early 2015.
I have seen the road since 2 years and it has not been asphalted once!
The road today looks no where close to have been asphalted just an year ago. Dont know where and what happened.
Please check you own locality roads and see if there are any discrepancies..