My sister's marriage history

my sister-in law was the friend of my uncle sister-in law used to be saudi arabia one day my maternal Grandfather died my whole family went there my beloved sister-in-law and my uncle they went to see my big sister my sister-in-law told my uncle who is she uncle said she is my niece then sister-in-law told my uncle that from today you are not my friend just father-in-law and by saying this my little cousin sister say wife and give 100 TK uncle say why sister-in-law told I will marry your niece uncle say OK I fast inform my family after I inform you than my uncle told my father when he hear everything he said that you think what is good no problem
then everything became ripe that my sister marriage was scheduled on Friday, it was all arranged, invited all, buy cows, guest started coming to me,