How to Make It
In a small saucepan of boiling water, cook the potato until just tender, about 4 minutes; drain. In a small saucepan of boiling salted water, blanch the mung beans for 3 minutes; drain and cool.
In a medium bowl, mix together the chutney, lime juice, yogurt and olive oil. Stir in the chives, cumin, chat masala and sugar. Fold in the mung beans, apple, onion, green mango, potato and 1 1/2 cups of the sev. Season with salt and pepper. Sprinkle more sev on top of the chat and serve right away.