No, but it is a good idea!
No
nope
No.
At graduation level, its not mandatory, but in post graduate or professional course it is .
No
no
no
No, it's not really needed for university students to do so
Not wrong, but most University students need to earn money over the summer.
No, it's not mandatory for university students to have a summer job.
Yes
No, it's not necessary for all students to find summer jobs