As per your requirement, you need to publish a Display advertisement which is charged based on their size in terms of per sq.cm. You can check out the rates on the Times of India Display Ad rates page and then proceed to select the preferred locations as Bangalore and Kolkata. Then you must choose the ad size as Full page ad and the preferred page as Front page to get the exact cost estimate for your ad.

Following this you can compose your ad with the help of online ad templates or you can also upload your own ad design. Then you must confirm the release dates and clear the payment for the same through your online or offline payment mediums. Also keep in mind that you must book your ad at least 2-3 days to ensure that the ad is published on time.