Take grated CARROT in a mixi jar and make a fine paste by adding some water. Keep aside.
Similarlly, blend BEETROOT and SPINACH and keep aside
Divide the flour to equal 4 portions. Add salt to each. Mix one with palak (spinach) juice, second one with carrot juice third with beetroot juice Add each juice little by little (or sprinkle- do not over wet the flour) to the flour and gently mix with your fingers.
One portion , let it be white in color , so prepare as normal puttu with water.
Mix corn puttu flour with some water and salt. Keep aside
In a steamer, Add 1 litre water to the bottom vessel and allow to simmer till hot.
To layer Puttu, Take a cake mould and place some grated coconut at the bottom of the mould.
Top it with some carrot flour first, then spread some grated coconut
Then top with corn flour, again spread some grated coconut, then spinach flour and spread grated coconut
Then top with beetroot flour again spread some grated coconut and last white flour.
Finally finish with some grated coconut on top.
Steam it for 30 mins and then de mould it.
Your MULTICOLORED PUTTU is ready