We have analysed the chart of your sister. She has a charming personality and she has quite unique likes and dislikes.
She will find a perfect life partner just right for her. Your worry is understandable but she will have a pretty good married life. As per her chart, the time starting from July 2022 onwards is quite favourable in this regard till around March-Apr 2023 and things could move in the right direction.
Be assured there are good times ahead and put in the required efforts and things will be just fine.
Best Wishes.
Mesh lagna with lagna lord Mars in the twelfth house; Moon posited in a Kendra in the fourth house as its lord; Lord of seventh house Venus posited in the eighth house; Seventh lord Venus is conjunct Moon in Dhanu Navamsha.
Venus Maha Dasha running with Jupiter Antar Dasha and Venus Pratyantar Dasha starts in July 2022.