We need a contact list of email addresses for schools in India

We are looking for an experienced professional to gather email addresses from open source data on the internet and compile a contact list that can be used to market our services to high schools in India.

We are looking for the most efficient, fixed price proposal to produce a spreadsheet containing;
school name, contact email address & website URL

There appears to be relevant data on Wikipedia and other websites from which to commence the research.

The email addresses you provide must be appropriate for email marketing to students aged between 16-18.