Natal Pluto is the sign where your Pluto was placed during birth time, and from there other houses are calculated clock-wise.
If you were born with Pluto in Sagittarius, then your natal house is Sagittarius (Dhanus Rasi) and during transit, JUPITER forming conjunction (in Sagittarius), sextile (aspect of 60° which are Libra and Aquarius in this case), square (aspect of 90° which are Pisces and Virgo here), trine (aspect of 120° which are Aries and Leo here), opposition (aspect of 180° which is Gemini 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 Pluto : Religious and spiritual understanding are the key notes of this transit. A transit with tremendous energy and the native works harder to gain his objectives. The native personally gains spiritual insights into higher occult reality, may lead the reforms of existing cultural, educational and religious trends. The native may face opposition in execution of his ideas but he is firm to gain power. The drive of this transit is betterment in one’s chosen areas. Afflictions to the conjunction may make the native exploit others financially and lose track of all normal human values. Whether the native constructs his life or destroys is shown by the natal chart configuration of planets.
Transit Jupiter Sextile Natal Pluto : Reforming and re-molding immediate surroundings are the key notes of this transit. The native makes creative changes in his life and wants greater freedom of movement in all his activities. The native has stimulated intuitive and clairvoyant faculties and he makes collective efforts for reforms. The native tries to make reforms with friends, neighbors and in his immediate environment.
Transit Jupiter Square Natal Pluto : Religious fanatism, obsessions and conflicts with superiors characterize this transit. The native strives for power and success at any cost but he is not fair and pious in his methods. Though the native has no intention of challenging anyone but still he feels opposition from those in authority because such reforms are against their interests. The native may also undergo radical changes in his philosophic and religious views and is also morally unsound, may involve himself in questionable occult and sexual practices. There may be conflicts and litigations over joint finances, inheritances and goods of the dead.
Transit Jupiter Trine Natal Pluto : Deep insights into spirituality, great political power, professional success and self improvement characterize this transit. The native has direct experience of spiritual realities, thus he has greater understanding of spiritual laws. The leaders of masses, educationists and religious preachers with this transit can make radical changes in the social pattern for the benefit of the society. Those in business can make best use of their resources by intuitive guidance. The native may be benefitted by alimony, corporate business, insurances and inheritances now. This is the transit of collective efforts and the native is most benefitted by the collective endeavors and displaying his leadership qualities.
Transit Jupiter opposition Natal Pluto : Religious and philosophical extremism, moral delusions and uncompromising attitudes are the key notes of this transit. The native is prone to problematic obsessive and fanatical behavior in imposing his religious and philosophical views without any care for the feelings of others. In extreme cases the native can break law and may fall into legal troubles. The native may attempt dangerous occult experimentation in order to control or dominate others which may produce undesirable results. The native may involve himself in unrealistic projects and schemes of grandiose. There may be fraud and deception in financial affairs.