A JavaScript to aid FIXATION OF FAIR RENT UNDER SECTION 4 OF THE TAMIL NADU BUILDINGS (LEASE AND RENT CONTROL) ACT 1960 is published at http://pastebin.com/f73383557
One may download the script, save it as tnfrc-9.3.html and view it using firefox browser.
The script may also be downloaded from: https://github.com/ramanraj/tnfrc