1) Weapon in Hindu mythology 
The Narayanastra (IAST: nārāyaṇastra, sanskrit: नारायणास्त्र )(or Narainastra) was the personal weapon of lord Vishnu in his Narayana(or Naraina) form. This astra (`weapon` in Sanskrit) in turn fires a powerful tirade of millions of deadly missiles simultaneously. The intensity of the shower increases with increase in.....