A swarm of cell phones covers the road for about half a mile, goes into a person's house and kills him. The next day, the investing officers say that there are no proofs convincing the fact like that there are no CCTV cameras at all.
The aura of the antagonist is captured in an energy containment. Keeping in mind that the aura could destroy entire humanity, very mild protection was given to it and another antagonist steals it very easily.
In Enthiran, the last scene shows year 2030 where Chitti is dismantled in the museum. That is 20 years in the future. But this movie movie is set in 2018 and we see that he got accepted for Military purpose. It doesn't make sense.