How to stop schizophrenic tablets slowly

Hi friends, iam thulasi from chennai... Am having psychiatric tablets from 2018 may.. i am doing well... No psychiatric symptoms am getting...doctors wrongly prescribing the tablets...only if I am putting the tablets iam getting side effects like fits coming,stammering,shakeness of hands n legs,recent memory loss,unconscious state if i stop the tablets abruptly...that's y I wanna stop medicines slowly for not getting any withdrawal symptoms... So pls tell me how to stop the medicines slowly... How long should i be under medication(slowly stopping)...???I wanna know the duration..pls help with exact answer....am having tablets like sizopin 112.5mg,(old dose was 150mg), lonazep 0.5 mg,(old dose was 1mg) arip 10 mg(old dose was 20mg), encorate chrono 500mg(old dose was same 500mg, pacitane 2mg...am having like this from September 3 2022...from September 3 only I started tampering gradually...so my question is shall I continue the same for how long or I can reduce the doses more..????TIA..