Complex sentence: Major Mahadevan (Mohanlal) is an officer deputed to the National Security Guards (NSG), and has been assigned on counter terrorism activities in Kashmir and commands an elite group of NSG commandos.
Split into simpler sentences: Major Mahadevan (Mohanlal) is an officer deputed to the National Security Guards (NSG). He has been assigned to counter-terrorism duties in Kashmir and commands an elite group of NSG commandos.