North MCD has taken strict action against the Ola and Uber cabs because they were indulge in illegal advertisement through their cabs. Ola and Uber cabs, those who have any sort of advertisement on their cabs are being stopped by the North MCD officers and black spray is being used to cover the advertisement on the cabs. Not only this, MCD is also charging them with fine for illegal advertisement. According to North MCD, earlier, notices have been sent to these companies, regarding illegal advertisement, but the companies did not pay any attention to the notices.