Is indian pulses are not suitable for eating for b blood group persons?

Yes , Generally speaking about chocolate milk is good thats means ok , But compare to dark chocolate it is less nutritional benefits. It Stimulator to the brain which is improper stamina, of course portion size is important because milk chocolate contains sugars(refined sucrose ) & bad table sugar.

No, You can eat most food groups including meat, dairy and vegetables. Avoid too many cereals like wheat (bread, sandwich, pizza, roti, sooji, etc.) Some dals (pulses) do well with this blood group like mung dal, channa dal, lobhia, rajmah etc