Shraddha Walkar murder accused Aaftab Amin Poonawala underwent a narco analysis test for almost two hours at a Rohini hospital in Delhi today as part of the ongoing investigation in the case, officials said. Officials said Poonawala's narco test was completely successful and his health condition was absolutely fine. They said Poonawala reached Dr Baba Saheb Ambedkar Hospital in Rohini at 8:40 am and the narco test started around 10 am. After the test, he was kept under observation.