Idea Customer — Regarding a idea customer make call again and again

Dear Sir/Madam,
i am 19 year old girl.i have BSNL contact belongs from kanpur.the complaint is that on 24 february i got a call from [protected] on my cell at the time when i was in interview hall and my mother have my mobile she suddenly got the call from this number he talked with rudely and said that i want talk with me.when i came from interview hall mother told me this, i made call back him said that who are u, he dint tell any things and threatening me.he said i called you again and again.so i put on clossed my number for always.
so i request you please take action about this.
please any inquiry you can forward on my mail.

prinsi katiyar D/o Mr. Suraj prasad katiyar