Hi Devki,
The documents needed for non-EU/EFTA are-
A confirmation that you have been admitted to a recognized or accredited educational institution
Proof of adequate financial resources to cover the cost of living in Switzerland during your study
A health insurance policy that includes accident coverage A study plan with information about the purpose of your studies
Proof that you fulfill the personal and educational requirements for the intended study
A motivation letter, your curriculum vitae and an information sheet detailing your language skills
Proof that you have appropriate accommodation
A confirmation that you will leave Switzerland at the end of your studies
It should cost you about 60 dollars