India coach Ravi Shastri on Wednesday said he would have preferred a 16-member World Cup squad instead of the mandated 15 and urged those who missed out to not lose heart.BCCI Monday announced a 15-strong squad for the mega-event, starting May 30 in the United Kingdom, and the omissions of young keeper-batsman Rishabh Pant and veteran Ambati Rayudu triggered a debate on the choices made by the selectors.