For Chana Rice
1.If you want to cook rice in Pressure cooker, use only 1.5 cups of water. Pressure cook chana separately as mentioned in the recipe. In Pressure cooker, make the spice base, then add cooked chana, water and rice and pressure cook for 1 whistle in high flame, then simmer for 5 mins in low flame. Open after natural pressure release. Gently fluff and transfer to another vessel or hot pack to avoid lump formation.
2.For biriyani flavor, you can add handful of chopped mint and coriander leaves before adding tomato. Skip kasoori methi, in such case.
For Beets Raitha
1.You can replace beetroot with carrots.
2.You can skip tempering part and make it as a plain beets flavored curd.
3.You can skip green chilli, red chilli for younger kids.