can anyone complete his physics for iit if he starts from projectile when he is in 12th in month of may but he knows little conpt of 11 phy

Yes, divide physics into 3 parts. Mechaics, Modern Physics, Heat and thermo dynamics. Since you have completed till projectiles , you have to work on linear momentum and angular momentum, rotatory motion and fluid dynamics. So concentrate for 3 hours in the morning on this part. Since it's summer l

I guess u need to make a time table, and according to that time table you can devote time to your +1 syllabus(it can be any 1 or 2 subjects a day) on weekends and the rest of the days you can do your regular revision of +2.