I am an indian. i have a friend living in indonesia, i do not know how to contact him.please let me know about the usefull sites. what are the educational standards comparing to indian standard, what are the requirements for the students to cme there from india for studying.(concernt to visas andother formalities.) and also about the formalities if i want to come over there for a visit.

I'm afraid I don't know anything about educational standards in Indonesia compared to Indian standard, or requirements for Indian students.

As an Indian you have to apply for a Visa at an Embassy or Consulate in your home country. Check out this site: http://www.anzwers.org/free/kjrimumbai/consular/visarequirements.htm