The Rs 400cr food service provider, Radhakrishna Hospitality is planning to accelerate the expansion of its retail arm under the nameplate Caffe Ritazza. Ten will be opened in the next year and a half. The first outlet opened at Mumbai airport a year back and the second one has just opened. The overseas chain specializes in locating the cafes at airports, motorways and railway stations. Radhakrishna Foods also has 800 vending machines for coffee and is planning to add snack food vending.