Iam Gowrisankar Aged 22 From Cuddalore,Tamilnadu,India. Sir I Had Fits

Iam Gowrisankar aged 22 from Cuddalore,Tamilnadu,India. sir i had fits on my age of 15&16 totally three times on this time then i get treatment from doctor on chennai for last five years i free from this dieases.now 3months before my doctor reduced the tablet dossage after some days i felt jerking on my body one at mid night then i relaxed my self and slept then for ten days i continued my old dossage as per my local doctor advice and i returened to reduced new dossage for a month no problem, but particular tablet not available in our town so i stopped tablet for three days then one evening my body started jerking one or two times then next day night i had fits attack this is fourth time. why this fits happened after long interval?what is the reason for this fits attack?ican get permanent releief form this? please tell me!