1. when huda tell naina that he had decoded that code that rajveer has given and said that one who decode it will be a spy.but naina did not liten it seriously.
2 . on the independence days when bomblat occur it occurs near flag hoting. that was a area which huda had decorated. huda has done all the preparation for flag hosting.and remember after that episode when naina was prasing all the cadets for the preparation they have done. when it comees to huda ,huda says to naina "ooye naina meri tarif mat karna warna log sooche geye ki maine hi bomb rakha tha".but nobody take it seroiusly.
3 . And now when huda has gone after naina to stop her going back to home again rajveer receive a letter that"save naina in the bus". at that time it is huda that is present near us."
But these two terrosist in the bus are for really not related to that letter. may there is bomb too in the bus.as it was said that save naina.
agar kii ko pata tha ki us bus me terrorist hai tu us spy ko letter bhej ne ki kya jaroort thi. kyon hai naina ko bachana chaha tha hai.
huda is one of the cadet how does care for anything.
who i not serious for anything.
may be he turn to be spy.
or may be somebody is trapping for huda. so that one day rajveer huda par shaq kare. aur use hi spy samjhe.
hamesha jab bhi kuch hota huda waha par kyo raha tha yaa phir huda us se kyo related hotha hai.
agar huda py hua to bhi naina ke pyar ke leye woo change ho jaaye gaya .aur ek true solider ban jaaye gaya.
kyo ki last me to all 6 cadet going to be true solider .
this is my thought.