PANCHA DEV

Human body is made of five elements.
The five gods known as panch dev controls these elements. 

       

       Vishnu - Akash tatva
      Surya - Vayu tatva

      Shakti - Agni tatva

     Shiva - Pritvi tatva
     Ganesh - Jal tatva                                            

Vishnu is sarva vyapth,Shiva is kalyankaari
Ganesh is Eesha of all ganas,Surya is sarvagat
Shakti has Saamarthya

Hence panch dev sadhana is complete sadhana.