Your sister has quite an inquisitive mind and she would spend good time in understanding people and situations before she makes an opinion, which would cause delays.
As per her chart, there is just a nominal delay in her marriage and she could get married after April 2023 within an year or even before that, as the time would be conducive for her marriage.
Her married life would be quite good with all sorts of comforts and prosperity. Her life partner would be an energetic person from a well-to-do background. He would be cool minded and very good at handling things.
Tula lagna with the lagna lord Venus posited in the lagna; Lord of seventh house Mars posited in the twelfth house in conjunction with an exalted Mercury; Moon posited in the third house conjunct retrograde Saturn and Jupiter posited in the ninth house.
Moon Maha Dasha with Venus Antar Dasha ongoing; Jupiter transits the seventh house from April 2023 onwards.