No Interest of Sex in women.

Hello Doctors I have been married 1.5 yrs ago, i have love cum arrange marriage, my problem is that My wife is 26 yrs old and since our first night My wife does not have any interest in doing sex. we do sex just because i told to do without her interest. and we do like one sided sex like there is no foreplay she wants no kissing just she tells erect your penis and tell me to do intercourse. because of this behaviour iam frustrated its been 1.5 yrs now at first i thought ite a new marriage it takes time for women to get comfortable but day by day she is like that only. she dont even allow me to kiss also. and when i touch her anywhere she never respond. she just lie down like a dead body no feelings at all. so i thought she having some medical problem of lack of sexual desire in her. please tell me what to do where to take her for consulatation. Thanks