Natal Neptune is the sign where your Neptune was placed during birth time, and from there other houses are calculated clock-wise.
If you were born with Neptune in Scorpio, then your natal house is Scorpio (Vrischika Rasi) and during transit, Rahu/Ketu forming conjunction (in Scorpio), sextile (aspect of 60° which are Capricorn and Virgo in this case), square (aspect of 90° which are Aquarius and Leo here), trine (aspect of 120° which are Pisces and Cancer here), opposition (aspect of 180° which is Taurus 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.
It takes 84 years for Uranus to come back to its natal position and this transit is of not much importance to humans. But countries, states, big organizations can experience Transit Uranus conjunct Natal Uranus. Humans experience sextile, square, trine and opposition.
Transit Uranus conjunct Natal Neptune : Sudden awakening of unconscious mind and intuitive insight are the key notes of this transit. The native may have to undergo sudden changes in his affairs due to changes in social, economic and political conditions. This period proves to be good for those in artistic and scientific fields and for friendships with the people in these areas. The native intuitively realizes his goals and tries to achieve them. The native may be interested in occultism, astrology and etc. and may involve himself with secret groups and organizations. The native can perceive future trends intuitively. If the conjunction is afflicted then the native may associate himself with cults and groups of dubious character.
Transit Uranus Sextile Natal Neptune : Intuitive insights into spiritual deals and occult characterize this transit. The native develops a subconscious motivation for spiritual development. Creative artists may find it the best time for displaying their artistic ability by putting new ideas into their creations. The native may become intellectually interested in meta physics, spiritualism, mysticism, astrology and philosophy.
Transit Uranus Square Natal Neptune : Delusions and confusing psychic impressions characterize this transit. The native lacks the proper direction in his objectives due to poor insight. The native may engage himself with groups and cults of dubious nature that themselves are confused and are impractical, idle and non productive. There may be deception through joint finances, corporate affairs, insurances, inheritances and goods of the dead. There may be disruption in family and business affairs due to political, cultural and economic changes beyond one’s control. Continuous stress on nervous system may create health problems like insomnia, neurosis and nervous pains etc.
Transit Uranus Trine Natal Neptune : Stimulation of intuitive, imaginative and clairvoyant faculties characterize this transit. The native may become interested in meditation and spiritualism. Highly developed individuals may experience intuitive perceptions of the coming events and future trends and some regain the memories of previous lives through the awakening of their subconscious mind. The native may be interested in subjects like telepathy, parapsychology, metaphysics and reincarnation. The native may engage in uplifting the existing social conditions through humanitarian organizations. The native may gain through corporate affairs, joint finances, inheritances etc.
Transit Uranus Opposition Natal Neptune : Confusions, upsets and erratic behavior are the key notes of this transit. The individual is unable to identify his objectives. All the actions of the native are subconsciously motivated. The native is prone to horrible dreams and psychic experiences, and to escape he resorts to unwise psychic practices, drugs and alcohol. The native and his personal life is very much under turmoil due to much economic, political and cultural upheavals. The native may have to interact with strange circumstances and he incurs secret enmity from his own people and friends. There may be frauds with the native over corporate money etc.