6 months baby food quantity. Pls help!

Baby girl is 6 mnths 10 days old.. Birth weight is 2.8kgs.current weight is 6.1 kgs.. I have started offering her 2 to 3 spoons of cerelac from her annaprasan ceremony that is from dec 24th..she doesn't take much quantity of milk since the start.. She takes around 450 to 500ml mostly formula milk,sleeps sound at night and doesn't wake up much for feeds.. As she is not gaining much weight monthly s,pediatrician suggested to start dexolac hikal from 6 months..but as it is a but thicker than nanpro She takes less quantity compared to nanpro..She is active and now sitting by herself in tripod position.. As she doesn't take much quantity of milk I offer her 2 meals a day ragi malt or oats porridge in the breakfast and homemade cerelac( rice+ dal+ jeera) as lunch,depending on her intrest and wake window I offer fe spoons of banana puree .. As attached in the picture that isbthe quantity of breakfast and lunch that i offer.. Is it wrong to offer 2 meals at this age..pls help