Ruchi-nitd

### Submission Checklist - [+] Your pull request targets the `master` branch of the repository. - [+] You have only one commit (if not, [squash](http://forum.freecodecamp.org/t/how-to-squash-multiple-commits-into-one-with-git/13231) them into one commit). -...

Added a program in C to perform Binary Search on an array.