The cup is brimming over with cricket and a lot more. Prime Minister Atal Behari Vajpayee today joined players Sachin Tendulkar and Saurav Ganguly in asking the Indian fans to keep their cool and faith in the country’s World Cup squad. The appeals come in the wake of protest rallies and attacks on the residences of some cricketers after India’s dismal performance in the tournament in South Africa. ‘‘I am dismayed at the improper manner in which cricket fans in some places have given vent to their feelings at the performance of our team in the World Cup matches so far,’’ Vajpayee said in a statement here. ‘‘Victory and defeat are all a part of the game. Sportsmanship lies in showing confidence in our team and cheering it to do better,’’ he said.