For Kolkata, so far I've seen Kingfisher, Vodafone, MRF, HSBC, Hero Honda, Pepsi. These I saw in the India vs Sri Lanka series last year. I would recommend adding something to do with the 2011 World Cup. I also have seen Hutch, Veedol, Videocon and Servo, as well as the others, from older series.
The rope is Ambuja Cement (yellow)