Before booking your ad you need to mention the category in which you want to place your ad. For publishing your ad in Economics Times please visit the following link: http://economictimes.releasemyad.com/display-ad/main-newspaper
You can also visit the following link for further information: http://economictimes.releasemyad.com/
Here you need to select the ad type, category and city for booking your advert.
Please note that you book and confirm the release date of your advert 2 to 3 days in advance so that it gets published on time.