9th bhava is for father annaru. Kondaru cheppedi, 4th mother kabatti, 4th nundi 7th will be 10th house kada, appudu 10th house kada father bhavam aithundi?
In olden days father do Updadesha so he is the guru for life. So 9th considered as father. 10th also can be considered as father. Consider both and Take the Pitru karaka planets for more results.