chop the onion, red chilli and tomato.
heat the oil and temper the mustard, broken black gram, fennel seed, curry leaves and bay leaves
add small onion and red chilli and saute it for 3 minutes, until it turn into brown
add tomato and mix well
add ginger garlic paste and mix well. keep it in medium flame
add turmeric, salt and curry masala and mix well
add aloo and mix well and allow to boil for 2 minutes.
add required water for gravy and mix well and allow to boil for 2 minutes
boil the channa separately by allowing 2 to 3 whistles in a cooker
add channa into the gravy and mix well
now add coconut paste and mix well and allow to boil until the aloo get boiled and get gravy consistency
now aloo channa gravy is ready to serve. serve with rice, roti etc