Hi My Baby Has Completed 6 Months. I Have Just

Hi
My baby has completed 6 months. I have just started with home made raagi poridge once in the noon. I have few queries as below
1. Along with home made cereal what else can be given to the baby? I have enough breast milk and baby pee count is good. Do you suggest to give nestum rice or other alternative?
2. When can i start giving water and cows milk to the baby?
3. Which are the vegetables and fruits suggested for 6 month old baby?
4. Please suggest me the diet chart having type of food quantity and timings for the baby.
Thanks in advance