Buddha is born on April 15th on the luna calender

The Buddha would be the right way to say it. "The Buddha" is a title used in the same way as other titles such as "The President" or "The Pope" when referring to the individual by title and not by name.

The Buddha institute of technology is a place where people go. It is approved by Buddhists. :)

a temple.

Buddha is not a god, he is a man.

Buddha indicated thet gods are not eseential to enlightenment. Buddhism discounts the impact or need of gods in mankinds progress towards enlightenment. Each person is responsible for his own progress.