- Ravanasur attained siddhi through tapasya .
 - He acquired all the astras ,including Bramhastra .
 - He taught it to his son Indrajit as well .
 - Ravanasur was a ordinary soul .
 - He lost his bramhacharya by forcing several women of sevaral lokas .
 - Yet he did not lose his siddhi or capability to discharge astras .
 
In Mahabharata
- All the astras were acquired by pure learning and Guruupadesha .
 - Ashwaththama was verily lord Shiva a great soul .
 - Ahwaththama had never in actual lost bramhacharya .
 - Yet he could not discharge Bramhastra
 - owing to loss of bramhacharya just by sankalpa
 
In Ramayana
- An attempt was made to abduct Vedmata .
 - the abduction was on account of deployment of deciet .
 - Hari deluded the attempt by deploying Seetakruti
 - Hari came to rescue after a year
 
In Mahabharata
- An attempt was made to enslave Vedmata .
 - here too there was deployment of deciet .
 - hari deluded by providing inexhaustible supply of cover .
 - Hari came to immidiate rescue .