Ranbir Kapoor and Deepika Padukone launched a Chemistry Meter as part of promotions of their film Tamasha at a five-star hotel in Mumbai. Take a look at .\rbr\rbrWatch the sizzling camaraderie of Ex flames Ranbir Kapoor and Deepika Padukone at the Tamasha event that was held in Mumbai. They unvieled the .\rbr\rbrWatch the sizzling camaraderie of Ex flames Ranbir Kapoor and Deepika Padukone at the Tamasha event that was held in Mumbai. They unveiled the .\rbr\rbrWatch Ranbir Kapoor and Deepika Padukone as they launch the Chemistry meter during the promotions of their film Tamasha.