The Unanswered Questions: Having dropped the arms and landed at Phuket, Thailand, why did AN-26 return to Madras when it could have proceeded to Karachi via Colombo. Why did the various air defense Monitoring centres fail to pick up The aircraft on its radar screens when It strayed off its course. Was the powerful air defense Surveillance radar at Kalaikonda switched of. RAW now claims it knew of the Proposed airdrop almost awek in advance. But why did it alert the government a day after the arms were dropped. Who were the arms for and which Agency funded the operation.The Problems:Overworked ATC officials. Existing system unable to cope with the increased traffic load. Poor coordination between ATCs and the IAF. Lack of timely intelligence inputs. Inefficient coomunication network between the DGCA and the ATC.