There cannot be a fixed trading strategy for options as the contract gets changed every month and it gets influenced by time factor, but there can be a fixed trading method for options. Search for the keyword āOptionā in tradingqna. Here is one of the link:
http://tradingqna.com/2690/how-can-i-analyze-a-stock-option-using-technical-analysis#a4639
There is no such fixed strategy for nifty
but you can learn most profitable and most suitable timing for each study
www.brothersequity.in
yes . . .there is such a strategy . . .but I canāt share it for less than 1 crore rupees.
I donāt think youāll get proper and good answer here. All are opportunist and provide their business links !!
I donāt think anyone would share such a thing! Anyways, Lets see!
@sdg Thanks for answering, but I was not expecting this answer/link. I wanted some detail profitable Index Option Trading Strategy.
But you are sure that we can find one? 
Thats enough 
lolā¦
I have developed two strategies one for Nifty and another for stocksā¦Both are capable for generating 2 to 9% profit monthly with minimal adjustmentā¦But these are not free strategiesā¦Minimum capital requirements is 160000/- to set up the strategiesā¦If interested you may contact me at [email protected]