Hi.im Shubhi, 26yr Old. My Hair Is Very Dry ,thin

Hi.im shubhi, 26yr old. My hair is very dry ,thin and unhealthy. It doesn't grow in a year even without any haircut.my hair is started gray in color. I want thick,soft,long and shiny hair.please suggest me right direction.my height is 5'3" and weight is 49kg.haemoglobin is 9.