Place coriander seeds, cumin seeds, cloves, cinnamon stick, dried red chili and cardamom pods in a frying pan over low heat. Roast, stirring, for 1-2 minutes or until lightly browned. Allow to cool completely. Transfer to a food processor. Process to a fine powder. Set aside.
Masala peanuts:
Heat oil in a frying pan over low heat. Add peanuts. Add chili powder. Season with salt. Stir fry for 1-2 minutes or until lightly browned. Sprinkle with chaat masala. Set aside.
Potato mixture:
Heat oil in a frying pan over medium heat. Add onions. Sauté, stirring occasionally, for 2-3 minutes or until soft and translucent. Add mashed potatoes, tamarind chutney and dabeli masala. Season with salt. Sauté, stirring occasionally, for 3-4 minutes. Allow to cool completely.
Transfer the mixture to a bowl. Garnish with red onions, masala peanuts, pomegranate seeds and chopped coriander (cilantro) leaves.
Dabeli:
Spread red chili chutney on one side of the buns and tamarind chutney on the other side. Top base of the burger with potato mixture. Place the top of the bun on the top. Roll the burger in sev. Repeat with the rest of the burger buns.