Family Members Not Following Islam Rules
There is no instruction in islam that forbidden mix gathering. On the contrary it allows mix gathering and thefore it has taught the manners for mix gathering. Read the verses 24.30-31, 61۔ Further, there is no concept of formal Hijab for women. Both Men and women are instructed to guard their modesty and wear the clothes that are considered decent. For details watch the video series Khawateen Ka Parda by Ghamidi saheb.