Involvement of cousins and masiji in false compaint

Sir, I recently got married (30th Nov-17) but my mother in low and wife was trying to play with me like they have taken back the gold which is given by us and them on very first day and my wife has cyst problem which was about 8.7cm and only remedies to remove this cyst was operation. operation was done without informed me and other one in the family because they fought with us without any reason and abuse me. they are threatening me, my sister, brother, masisji- not living with us and cousin to lodge a false complaint of dowry from last 2 months, she is not living with me. 20 days back, i went my law place and requested them to send my wife me which was mutually agree by her father and masiji, next day, her parent and one neighbor came and abused us and insulted us in front of our neighbor without any reason and they want to get out my sister from my home. my sister is only 23 and 21 years old and we don't have parents. now, they are threatening us without any reason. we have registered complaint against them harassment to my sisters and brother nearby police station on 20th-Fab and they called them for statement so they have write false statement and i've the evidance some of complaints, now they have also register a complaint in women cell delhi so i have go on 15th Mar. any suggestion. me and my family innocent and didn't do anything and they are just playing with us. i'st want to ask you that who can be involved in this case? they have registered name mine, my sister and brother, masiji, masad ji and cousins. how can i get keep away my family into this? what's the best solution?