Apollo Micro Systems Ltd (AMSL) announced it has secured new defence orders totaling over Rs 100 crore for the supply of unmanned aerial systems. The orders, to be executed within four months, are from a private company for delivery to the Ministry of Defence. Following the announcement, AMSL shares saw an initial rise of over 4% on Friday's trade, though they later pared some gains. The company, based in Hyderabad, specializes in electronic, electromechanical, and engineering systems.