Safest Option Strategy in Credit Spread

 Safest Option Strategy with Credit Spread...

Today I have created an option strategy in Nifty options to lock the profit in volatility.

Once again this an Only Profit Strategy where there is no Loss at any scenereio. 
Probablity of Profit is 99.99%
Requirement of Margin is only Rs.23,000/-
Maximum profit % : 33.74%

Please check the greek for better understandings.