Uncertain behaviour of In lows

I am married 3 years before in very well settled and educated family. after marriage suddenly my in lows expecting lot from me specially in regards of salary. they always taunt me that u should give us all salary we will c what we can do with that n if u want u ask from us but imm. refuse and replied why should i give my salary to u. i am giving my part in house expenses that is more than enouf and i have my own savings n all. after that they keep harassing me till date. they mentally abuse me. always makes wired faces when i came from office or i am going some where. they telling my husbund always behind my back that she is from very cheap family and uneducated family. she dont have any status she is always giving back answers. still she is showing off her status and brand. she is not suitable for our family. i have 2 year old kid also. from him also she is creating daily drama. i ask them so many time what u guys want actual tell me i will resolved. but instead of telling me what is problem exactly they again tount me that tu teri had may reh aayi badi hume puchane kudaki aukat dekhi hai. i really not able to understand their behavior. they r so egoistic that they dont even tolerate my presence in hall. and my husband always escape from all this situation. and not listing to me at all as he dont want any hassel in his life. i never ever restrict him on what he is eating, where he is going why he is drinking. still i feel like i am in hell n jail too.please help me out i am in really week mental condition.