Hehe, i am sure before shooting for the AD's they took into account both the scenarios of India loosing/winning and made both versions. They are not as dumb as you think

They have winner on hand either way - If India had won - cool but now that they have lost - pepsi can milk this new 'Phir Ayega India' concept up till the world cup. Lets all drink Pepsi if you want India to win the World Cup. Drink anything else and we are done for