Too much forgetfulness. Help me sir.

Hello sir I am a student of class 12 Earlier I didn't have trouble with remembering things but from 9-10 months I am very forgetful. I forget names of people or things or the path through which I traveled or any concept I learnt etc. Now I can remember things only for short term like for few hours or so. But I can remember large events like what I did when I woke up in the morning or where I went etc. These things are bothering me so much. I have even met three psychiatrists and a counselor ( First time in my home town after about 1-2 months the problem started and second and third one in AIIMS Patna). Even after taking the medicine I have not noticed any improvement. I have tried many techniques to remember things I have also tried to forget about it but that too doesn't work. It is very difficult to convince my parents and relatives that I have such problem and still no one believes me.This makes me very stressed. I only want to get my memory power back. Please help me sir.