@ shivam
donot get frustrated , there are enough time left for cbse board exam to prepare .
now , what u have to do s below
1- read out the ncert only , and solve exercise and intext question .
2- after that go for problem solving in any of the ref books that u have ,
3- for chemi write the reactions as much time as possible , just have a look at them every morning .
4- for maths and phy , solve ncert exempler , they are very very imp .
5- after completation of each chapter solve previous year board paper , jee , question at one stretch .
6- remember – not to repeat the mistake now , learn from each mistake .
7- at the wekends have alook at the 11th portion , put max effort to solve problems , and look upon the main formula and reactions .
8- DONOT NEGLECT YOUR HEALTH ALSO , TAKE PROPER SLEEP , AND DIET .
all the best .
