nadi dosha can create many problems in marital life. So it is very important to check if Nadi dosha cancellation is taking place or not. There are certainly solutions for nadi dosha. You need to check for Nadi Paad vedha. If no vedha, then you can be happy as your Nadi dosha is getting cancelled and there are no problems in getting married.

If your overall compatibility is not strong, which means that guna milan score is less, it is strongly recommended that you do Graha Milan (Matching of other planets) and 7th house analysis. You can read more about Graha milan and why it is done on astrologymag.com.

If your Nadi dosha does not cancel, then you need to do some remedy. You should perform Nadi Dosha Nivaran Puja and Maha Mrityunjaya Mantra (108 times) before solemnizing.

As what you are suggesting requires a lot of time, you can always look at paid services for getting more details.