Calcutta, April 25 :    Calcutta, April 25:  Aqua Java, the young and happening coffee shop chain in town, has found a heavyweight 'mentor'. Pantaloon Retail (India) Ltd, owners of the high-profile Pantaloons brand, has entered into a strategic alliance with Aqua Java Pvt Ltd to promote the beverage and food chain. 'We will be the mentor capitalist in this venture, buying a 26 per cent stake in Aqua Java, besides helping them in strategy and brand-building,' explained PRIL managing director Kishore Biyani, after signing the agreement in the city on Wednesday. Aqua Java, which already has five outlets in the city, plans to open five more by the year-end. 'This tie-up will give our brand national recognition,' said Aqua Java managing director Saket Agarwal. The coffee shop now plans to reposition itself in the beverage and food market. 'Coffee will remain our strength, but we will add to the fare to cater to all segments,' said Agarwal.