Hello friends....dont be confused in this short period of time.. do well what u are aware about. leave those topics which are new to u.. for chemistry, u better go throught ncert or telugu akademi books as they can provie u good knowlege,,, coming to physics be confident in chapters related to electricity, kinematics and magnetism chapters... know all the formulas and principles,...... coming to maths,, intergration and geometry are major,, as they are easy even... be clear with the concepts, straight line, parabola, ellipse, hyperbola.... and permutations and combinations, probabilty also important and easy...
ALL THE BEST...