9th house lord in 10th house
1) Before knowing the effect of 9th house lord in 10th house we have to know about Ninth house and Tenth House. As 9th house lord placed in 2nd from own house so you may read First house lord in 2nd house.
2) According to a famous classical book of astrology sage suggested that
भाग्येशे कर्मभावस्थे जातो राजाअ्थ तत्समः।
मन्त्री सेनापतिर्वाअ्पि गुणवान् जनपूजितः।।
General meaning of this shlok is when 9th lord placed in 10th house native is equal to king. Native may also be minister or Commender in Chief. Native will be full with good qualities and gets good honour by public.
3)9th house lord in 10th house is one of the best position in horoscope. Native may enjoying fruits like rajyog. 9th house belongs to fortune and 10th house is house of profession so 9th house lord in 10th house indicating native may be fortunate in professional life. Native may gets easy success in his professional ventures. Native have good reputation in his professional life. But if 9th house lord in 10th house is not well placed or affiliated by any way then it may not give good results.
4)As 9th house is belongs to far away place so 9th house lord in 10th house indicating native business may be expanded up to far away place. Or it may possible native may goes far away place from home land for his professional life.
5)9th house is belongs to fame and 10th house belongs to social status so 9th house lord in 10th house indicating native having good fame in society. As sage suggested native may have royal status in society and most of public honour him. Further they suggested what ever the strength according to that native status in society such as king, minister and Commender in Chief. But all those are belongs to power and politics so native may have political power or power to control mass.
6)9th house belongs to father and it is placed in 2nd from own house so it is indicating native father may be wealthy. But if 9th house lord is not well placed in 2nd house then it may cause arist or marak for father. So father may be suffering from health problems.
7)9th house belongs to religion and 10th house is karma sthan so native may be religious from its karma. Native may be kind and honest person. Native may be good from heart but native may be strict to follow regulations. Native may assumed to be religious person in society.
8)10th house belongs to government and authority so 9th house lord in 10th house is well placed then native may be fortunate to getting profit from government or authority. Native may be get good post in authority or in government. If not well placed then may cause loss through government or authority because 9th house is also 12th from 10th house.
9)9th house lord in 10th house indicating native may be get all sorts of comfort in his life. Native may also have a good children.
10) When 9th house lord with 10th house lord in 10th house then its makes famous dharnkarmadhipati yog. So native may be very successful in his professional life. Native may gets good name and fame, power, money and all sorts of comfort in his life. Native may doing religious acts for benefit of public and popular within public. But if above combination is not well placed then good results may decrease.