Increase column in temp table by another table

Question

In a stored procedure , I have 2 temp tables. I created these 2 tables from database dynamically.

 

First Table  #Students(Name NVARCHAR(50))

Second Table #Subjects(Subject NVARCHAR(50))
 

Rows in #students and #subjects may increase. Kindly suggest me any solution.

I attached a excel file for this