Steps
1. In a mixing bowl, combine mashed potatoes, bread crumbs, chopped green chili, chaat masala, cumin powder, red chili powder, amchur, salt, and chopped coriander. Mix well until the mixture holds together.
2. Divide the mixture into 4 equal portions and shape each into a round, flat patty.
3. Heat oil in a pan over medium heat for shallow frying.
4. Fry the tikkis on both sides until golden brown and crispy. Remove and drain excess oil on paper towels.
5. To prepare tamarind chutney, mix tamarind pulp, jaggery, cumin powder, black salt, red chili powder, and water in a small saucepan. Simmer for 5-7 minutes until slightly thickened. Let it cool.
6. For mint chutney, blend mint leaves, coriander leaves, green chili, lemon juice, salt, and a little water until smooth.
7. Serve hot aloo tikkis with tamarind and mint chutneys on the side.