question regarding target date and branch shifting

i am from jntuh affliated college andhrapradesh,right know i am studying 4-2 ;unfortunately i got 2 backlogs in 4-1 semester,my supple exams will be with final year exams on may , i havent started anything in the direction of MS, please kindly advice me for which month i have to prepare for MS, i am from EEE branch , due to bad faculty i lost intrest in my branch , can i try for cse i am good in coding and aptitude which i came to know when i had c and ds subject in my first year of btech