The parents exchange horoscopes of the boy and girl to consult astrologers about their match. They are compared in various regards. Some of the major ones are:

1. The horoscopes are compared to see in how many of the ten aspects laid down they suit each other. The major aspects are suitability regarding the day, asterism, the ganam and yoni.

2. The horoscopes are also subjected to six additional suitability tests:- Rasipporutham, Rasi Adipathipporutham, Vasyapporutham, Rajjupporutham, Vedaipporutham, Nadipporutham.

Among these and certain other suitability tests, if the horoscopes match on certain important and basic aspects, then the marriage is permitted.

Once this is done, the two parties negotiate the terms of the marriage like what each side should give to the other side by way of gifts of cash, silver, utensils, jewellery, etc.