Yes, MHT CET will be there in 2018. You can prepare accordingly.

Below are the important topics for MHT CET you can check-

Physics:

Kinetic Theory of Gases and radiation; Atoms, Molecules and Nuclei; Oscillations, Rotational Motion, Electrostatics, Electromagnetic Induction, Magnetic Effects of Current, Semiconductors, Wave Motion.

Chemistry:

Chemical Thermodynamics and Energetics, Coordination Compounds, p-Block elements, Alcohol Phenol Ether, d-Block and f-Block elements, Organic Compounds containing Nitrogen, Solid State, Chemical Kinetics, Solutions and Colligative Properties.

Mathematics:

Differential Equations, Integral Calculus, Limits, Continuity and Differentiability, Vectors and 3D Geometry.

Good Luck!!