This attention to detail creates an "index" of authenticity. The languages, the slang, and the local dynamics feel lived-in rather than researched. It validates the "Indianness" of the story without exoticizing it.
Srikant is transferred to Kashmir to dig deeper into "Mission Zulfiqar". Dance of Death Srikant discovers he has been trailing the wrong suspect. The hunt for Sajid moves to a wedding in Baramulla. Act of War index of family man
Thus, the search for an becomes poetic. People are searching for a directory of a man who has no directory in his own life. This attention to detail creates an "index" of authenticity