Find the below requirements is business case for a stand alone solar powered cooker that will provide 4 hours cooking per day for a family group. assume 11 hours of regular sunlight. as well as technical side you will need to develop the business case for this requirement.

1.how much power is required to cook 4hours per day.
2.how many solar panels is required for accurate cooking
3.cost must be low, and consider the suitable region like india.
4.A battery backup for solar power cooker.
5.project requirement and project cost in complete details

Can you split the project in three stages
Stage-1 technical analysis
a- solar electricity circuit
b- solar panel basics
c-studying electricity needs and households
d-studying the feasibility of community solar panel