https://indianexpress.com/.../student-loses-iit-bombay.../
An analysis of the event based on the information available The current age of the native is 18 so based on the movement of Jupiter Taking it back to its position in 2002 the position of Jupiter in Cancer.
Similarly, the position of Saturn, Rahu, and Ketu are also as per the year 2002
The position of the moon is assumed based on the event death of the mother 2 years before the current time, so the transit of Saturn, Rahu, and Ketu in 2018 if taken from the moon the significator of the mother is unfavourable therefore the demise.
Currently, Jupiter is in Capricorn in 2002 the planetary configuration was such as Jupiter in cancer in July 2002 Saturn in Gemini, Rahu Taurus, and Ketu Scorpio.
Jupiter Placed in Cancer is always opposed to its sign Sagittarius which is also the MT (Mool trikona) sign of Jupiter. So, the result of Jupiter is likely to be subdued for the sign Sagittarius wherever it is placed.
Saturn in Gemini. Saturn is adverse from the sign Capricorn in 6/8 position, from Aquarius sign, it will be in trine. So, Saturn will give good results for the sign Aquarius.
Assuming The position of the moon in the natal horoscope to Sagittarius the death of the mother can perhaps be explained in 2018 with transit positional analysis of Saturn, Rahu, and Ketu
The inadvertent click happened on 31/10/2020 when Mercury was retrograded