[IEEE 2016 3rd International Conference on Electrical Engineering and Information Communication Technology (ICEEICT) - Dhaka, Bangladesh (2016.9.22-2016.9.24)] 2016 3rd International Conference on Electrical Engineering and Information Communication Technology (ICEEICT) - Extracting and discriminating selective brain signals in non-invasive manner and using them for controlling a device: A cost-efficient approach to brain computer interface (BCI)