Take rice and urad dal in diffrent vessel fill with hlf amount water and keep it for atlst 4hrs

Then wen you preparing it that tym put 1tsp baking soda mix it properly grease the idli pan and keep it fr steam atlst for 10/15mins when it's done remove and have it with chutney and sambhar

Method of sambhar: Take 1/2cup tur dal in a cooker wash it in dat fill up 11/2glass water, 1tsp red chilli powder,salt,1/2tsp tamarind and jaggery pulp,1/2sliced onion, 1/2tomato, 2tsp everest sambhar masala close the lid and take atlst 4/5 whistle sambhar is cooked then open the lid blend it and then do baghaar of rai,zeera and curryleaves sambhar is ready

Method of chutney: Take handful of coriander leaves,hlf coconut,1tsp zeera, 1/2tsp salt,1/2tsp ginger garlic paste,2chillies and grind it and then do baghaar of rai,zeera and curryleaves chutney is ready to eat