As per your requirement, you can get the exact rates for your advertisement in Bangalore from the Times Property Ad Rates section. Simply specify the ad size, choose the preferred edition or package as per your convenience and then proceed to compose or upload the ad.
You can also get the exact cost for your ad from the Times of India Display Ad Rates section. Just choose the Times Property Supplement, the pick Bangalore as the edition and finally mention the ad size as 8 cm X 4 cm. You can also specify the preferred page in which you intend to display the ad. Following which you can proceed to compose your ad and get it published. Please ensure that you book the ad at least 2-3 days in advance so that it is released on time.