Topic: F2A- Is getting Engaged Traditionally and Legally Married enough for I-130 petition?

Hi All I (lawful permanent resident) am planning to get married to my future spouse residing in India. I would like some insight on which approach is the cleanest and most advisable: I am planning to get engaged traditionally and married legally(register marriage) in early 2020 and do a traditional marriage later towards the end of 2020. Is this advisable? Or Is it best to get engaged, married both traditionally and legally at the same time ? What are the steps for me to file for my future spouse in the F2A category? Could someone please shed some light as to which path is advisable? Would really appreciate the help! Thanks!