mix all the dals, rice and methi seeds, wash it thoroughly and soak it in 3/4 cup of water for 3 to 4 hours
Add water if needed (use the soaked water) if it needs more water add the tomato and grind it.
transfer some of the water to a cup, transfer the soaked ingredients to a mixer jar, to this add cumin seeds, coriander seeds, green or red chillies and ginger. Grind it to a fine paste.
To this add cut tomatoes, add salt, and grind it again to a fine paste.
Transfer the dosa batter to a pan, mix it well, add enough water(if required to get this dosa batter consistency. Cover it and keep it aside for 30 minutes to an hour
grease and heat the pan on medium heat. once the tava is hot take a ladle full of batter, pour it in the center, and move the ladle in a circular motion to make it a circle. ( you can make thin or little thick dosa)
Put some oil (generously for crunchy dosa) on and around the edges of the dosa, cover it and cook it for a minute or so
after a minute, remove the lid, look for light brown color , this dosa is ready, remove it from the tava and serve hot with chutney
Repeat the same procedure with the remaining batter, you can rub half cut onion on the tava before you make the next dosa or use a paper towel to wipe extra oil.