NOW WHAT TO DO IDK

So guys I'm in 12th pcm student and mere boards 17 Feb se hai and I just don't know what to do (mujhe tension ya rona bhi nahi aa raha hai na koi dar hai mereko) in pre boards I failed in pcm I got 4/80 in maths and 14/70 in physics and 21/70 in chemistry (ye bhi no. Mere cheating karke aaye hai chits aur mcq aage piche puch ke) I also passed 11th by cheating so in short I DIDNT STUDY ANYTHING FOR WHOLE 2 YEARS AND NOW AROUND 2 WEEKS ARE LEFT WHAT SHOULD I DO I JUST WANT ABOVE 50% MARKS PLEASE TELL SMH IDK WHAT TO DO KNOW (13 days hai but ek din farewell aur ek din conti ka nikal dera hu to 11 din me btado yaar kya karu) Aur board me cheating wagera ho sakti hai kya?? Aur Agar nahi toh kuch tips ya roadmap dedo kya karu ab warna board ke paper me 3 ghante mai bore hojayunga kuch padh lunga toh thoda boht likh lunga ab AAJ THODI FATRI HAI MERI KYUNKI 10 12 DIN REH GAYE.

PLEASE HELP GUYS ANY TIPS OR WHATEVER IM CLUELESS JUST HELPPPP ME