NET HELP PLEASE

GUYS I AM GIVING NET 4 FOR NBS , I HAVE 991 MARKS IN FSC AND 1056 IN MATRIC AND I HAD PRE MED , i want genuine help for maths portion , where can i clear my maths from ? any academy ?? i gave net 3 and secured 127 with 8-10 days prep of maths i just watched youtube lectures of some CAT channel , please koi online academy ya koi asa source bata do jis sei tyari achi hojaye ( i have zero basic knowledge regarding maths , bas yt videos sei he tora bht trignometry seeka hai )