While placing a display advert through releaseMyAd, please know that such ads are measured on the basis of per sq.cm, hence your ad size would be around 10 cm X 8 cm.
Should you like to book the Recruitment advert in the Chennai edition of Daily Thanthi, please visit the following site: http://dailythanthi.releasemyad.com/display-ad.php and select the Main Edition after which you must specify the ad size in order to get the exact ad rates.
Please know that for a timely release of advertisements, ensure that the ad is booked at least 2-3 days prior to the intended release dates.