Little did she know then that this was the last time she was hearing the voice of her son, Wing Commander P S Chauhan.
Family members said Wing Commander Chauhan was the youngest of five siblings, with four elder sisters who doted on him.
Shell-shocked by the loss of his son, Surendra Singh Chauhan could only say that he came to know about the mishap from news reports.
Uncle Yashpal Singh Chauhan said they are yet to get any official communication regarding Chauhan's death.