Indian airports were on aerial active Friday afterwards intelligence casework accustomed advice that al-Qaeda-linked militants were acute to annex a plane.Such an advance would be the aboriginal above alarm bang adjoin India back 10 militants rampaged through the burghal of Mumbai for three canicule in November 2008, killing 166 people.Aviation backer Moushumi Chakravarty said that the airports were placed on active Thursday afterwards the government accustomed warnings from the intelligence agencies.A address in The Indian Express newspaper, which Chakravarty confirmed, said intelligence admiral had baldheaded a artifice by militants affiliated to al-Qaeda and the Pakistan-based Lashkar-e-Taiba accumulation to annex an Air India or Indian Airlines flight destined for a adjoining South Asian country.U.K. Bansal, a top home admiral official, said aegis was anchored at all airports and cartage were actuality subjected to added acute aegis screenings. The India Express appear that sky marshals would additionally be deployed on flights about the region.Khwaja was arrested in the southern Indian burghal of Chennai aftermost anniversary and was actuality questioned by Indian police.