Having eked out an unconvincing 3-2 win over France in their campaign opener, the Indian men’s side will have to quickly pull up their socks, especially at the defence, when they take on lower-ranked Poland in their second group match of the Hockey World league Semi-finals here on Tuesday.India needed a last-gasp goal to emerge victorious in their first match on Saturday as their defence struggled and the Frenchmen exploited the gaps to launch several attacks. The Sardar Singh-led side will have to produce an improved show tomorrow if they want to maintain a winning momentum.Poland are ranked 17 in the world, eight spots behind India, but they have the potential to pull off a surprise win and India can take them lightly to their peril. like France, the Polish also have some speedy strikers who can mount brisk counters, as they displayed against Pakistan, and the Indian defence will have to make amends of their erratic show in the opening match.