Home Minister Amit Shah and BJP chief JP Nadda on Saturday exuded confidence that the party will form the government in four states where it is in power--UP, Goa, Manipur and Uttarakhand, and it will make impressive gains in Punjab. In the other story, on Saturday morning, the Ukrainian army shot down a Russian helicopter out of the sky by firing a missile from the front line. The helicopter then bursts into a ball of flames before crashing into a field.