Chhole Alu

• 250 kabuli channa
• 20 powdered jaggery
• 8 green chillies (minced)
• 2 potatoes
• 2 onions
• 1 lemon-sized ball of tamarind
• 1 shajeera (ground)
• 1 chilli powder
• 1 lime
• 9 gr garam masala