I can fix this issue within a few days.
and my experience is :
=>Radio and Telephone communication security
=>Anti-theft security app developed for a Mobile Company. With this App, you
can track your lost phone easily with SMS commands. The SMS
commands include: Lock device, Alarm even the phone is in silent
mode, Wipe/Delete your precious data, Current Location of the
phone, SIM Card change notification and other
=> Offline Map desktop and mobile application
=> Employee Salary Management System.
=> Fleet Management System
=> Door Lock Keypad with C programming and Proteus Simulation
=> Design of A 2-DOF prototype for Simulation of vehicle driving