Suicide Case

Haan ji aap complaint file Kar sakti hain. Police preliminary inquiry karne ke band hi FIR karegi.

Yes do it

The simple answer to this question is yes.

Yes

Unless the unfortunate incident has occured in your family or with your close one and if the said unknown person has played role in making the deceased take such serious step then you can file a FIR against that person otherwise not.

Haa, Agar woh apko pareshan kar rahe ho aur apke pas aur koi rasta nahi hai toh aap FIR lodge kar sakte hai.