** Shares of defense systems manufacturer Zen Technologies ZETE.NS rise 4.07% to 1,977 rupees
** Co acquires a majority stake in private defense tech firm TISA Aerospace, which specializes in loitering munitions - unmanned aerial drones that can linger over a target area and identify and strike targets
** Co did not provides details on the deal value
** Says the acquisition provides it with immediate access to tech that aligns with emerging requirements of Indian armed forces
** ZETE shares up ~73% in the last 12 months
(Reporting by Ananta Agarwal in Bengaluru)
((Ananta.Agarwal@thomsonreuters.com))