Natal Rahu is the sign where your Rahu was placed during birth time, and from there other houses are calculated clock-wise.
If you were born with Rahu in Virgo, then your natal house is Virgo (Kanya Rasi) and during transit, MARS forming conjunction (in Virgo), sextile (aspect of 60° which are Cancer and Scorpio in this case), square (aspect of 90° which are Gemini and Sagittarius here), trine (aspect of 120° which are Taurus and Capricorn here), opposition (aspect of 180° which is Pisces here) are discussed in this article.
Conjunction is transiting through same sign as in birth chart, sextile is transiting 3rd or 11th house, trine is transiting 5th or 9th house, opposition is transiting 7th house from natal sign.
Transit Jupiter conjunct Natal Rahu and opposition Natal Ketu : This transit increases the social prestige and brings honors to the native. The views and activities of the native get public acceptance and recognition. The native is well aware of the current attitudes and trends and tends to make best use of these. An element of hypocrisy is present in the activities of the native and he is able to hide this element and gets his work done. The native tries to earn by his wits and pretends himself to be the most sympathetic person, but he always keeps his ulterior motives in his mind.
Transit Jupiter conjunct Natal Ketu and opposition Natal Rahu : The native has firm belief in traditional moral standards. The native is misfit to make best use of the present cultural trends and beliefs and lacks public support for his individualistic views for his non confirmation to hypocrisy. The native tends to work in seclusion and is straight forward in saying anything. Therefore he is less socially accepted individual
Transit Jupiter Sextile Natal Rahu and Trine Natal Ketu : This transit characterizes financial good luck and material success without much efforts. The native establishes harmony between traditional and current educational, cultural, philosophic and religious beliefs and trends. The thoughts and beliefs of the native are socially accepted and get approval and support. The native is of philosophic attitude. He is conscious of the need of contribution to the present social order.
Transit Jupiter Sextile Natal Ketu and Trine Natal Rahu : This transit signifies previous transit but the native also has intellectual awareness of higher philosophies and he tries to gain intellectual awareness of cultural traditions. He is also able to adjust himself with the currently popular trends and beliefs. The native is in perfect harmony with the old and the new.
Transit Jupiter Square Natal Rahu and Natal Ketu : The native is in a state of uncertainty either stick to the orthodox religious, moral, cultural and educational beliefs or to follow the current and prevailing social trends and cultural beliefs. Sometimes there are hindrances to good luck while at other times the native sails smoothly over to good luck.