sponsorship for techfest
my college is going to have techfest on 28th feb. For this event i need sposorship.I m supposed to bring sponsorship of around 3000-5000.our gathering will be medium.My question is- do the companies like airtel(i mean large firms) will sponsor my event?? and what should be the main content in sponsorship proposal? how should i convince them? its the first time that i m proposing somebody for sponsorship. i would be grateful if u helped me out. its urgent so please reply me fast...