Create an advertisement for us( Voice ad for FM radio)

We are a new start up in EdTech niche, our start up is founded by Ph.d Scholars of JNU, IIT Delhi and Delhi University, we deal in entrance exam vertical. The writer will have to conceptualize the ad, sing and narrate the advertisement. We would like to give this to someone who is passionate and creative, since we are a new start we have budget constraint but at the same time we are growing fast so we will give due credit always to the person who created the advertisement, in the long the ad created will enrich the portfolio of the freelancer and leave a huge impact on his/her career.
Our Budget for this 2500 INR