Hey Abhinav, as Anirudh suggested C is good to start with. But if you want to learn something really quick, then Python is the best. Python also requires less code to complete basic tasks, making it an economical language to learn. Python code is often 3-5 times shorter than Java, and 5-10 times shorter than C++.
And infact you can get started right away from: http://www.tutorialspoint.com/python/