Upgradation from 2.6B to 3.10

We are planning to go for Navision Attain3.10IN(Indian Version) version from our existing 2.6B(World wide Version with Our customisation) for availing new functionalites and India localisation(Taxesation). We Request Your valuable Suggestion on THE BEST AND SAFEST METHOD OF MIGRATING FROM 2.6B TO ATTAIN 3.10IN.

Posted in Wrong Forum. Please post in “Local Version/India” Forum for good response.