Even as Isro is awaiting a signal from Chandrayaan-3’s Pragyan rover and Vikram lander, the space agency’s chairman S Somanath has said that it won’t be a problem even if they fail to wake up.Speaking at a press conference, Somanath said that that Chandrayaan-3’s rover, which is currently in sleep mode, has achieved what was expected from it in the mission.The Isro chief said it will wake up if its electronic circuits have not been damaged due to the extreme weather on the moon.