Create a Method to find for an Account what are its related case records
In terms of Hierarchy, An account can have mutliple contacts and one contact can have multiple cases
Create class and a method that queries all Accounts and prepare a map as below:
A map where key is the account Id and value is list of related Case Ids (Map<id,list<Id>> AccountRelatedCaseMap)
Note: Account is grand parent to case.   please help me in solving this use case guys
 

Create a report and dashboard to know for each doctor how many patients paid less than 10000 , greater than 10000, greater than 50000 
for this criteria how can we crete the reports and dashboards 

Report that can track the total number of opened and closed cases Create a report to track total number of opened and closed cases. Ensure elapsed time on cases is displayed in the report in days User should be able to see the report based on grouped by status Create dashboard to share a visualization of its data with others Make sure the dasboard is added to the Home Page Also the dashboard chart should be a funnel one   
this is the criteria in this criteria i stucked with elapsed time thing
how to create a report  like row formula or column formula for elapsed time 

this is another criteria please help to solve this

Update Related Project Employee Relation Records
When an Project Start Date /End Date is updated, updated related Project Employee Relation Start Date and End Date values

Clone Opportunity and its related Opportunity Product

Create a Screen Flow and Add it to Home Page
Screen should have an option to select Opportunity lookup
Select the opportunity and click Next/Finish and it shoud clone the opportunity and its realted Opportunity Product

please help me in solving the above criteria 

When a Project record is created,
automatically create a Project Employee record,
where you relate the project with manager of the project.
actually i m a fresher so guys please help how to create process builder for the above scenario

How can we create a work flow condition for this how can i update field project status

When a Project record Start Date becomes today, automatically change the project status to In Progress .

If Start Date is greater than today
the Project Status cannot be any status
other than Not Started.
how can we write validation rule for this?
 

Clone Opportunity and its related Opportunity Product

Create a Screen Flow and Add it to Home Page
Screen should have an option to select Opportunity lookup
Select the opportunity and click Next/Finish and it shoud clone the opportunity and its realted Opportunity Product

please help me in solving the above criteria 

How can we create a work flow condition for this how can i update field project status

When a Project record Start Date becomes today, automatically change the project status to In Progress .

If Start Date is greater than today
the Project Status cannot be any status
other than Not Started.
how can we write validation rule for this?