Shall I leave CAT and do CS? I am weak at English, therefore, I am finding it difficult to prepare the English section of CAT.

Don't run away from your problems, instead counter them. English is the largest spoken language in the world and you will need it in any sector. So, there is no way of running away. You can learn English with the help of your friends or you can buy a grammar book. You don't need to learn all the thi

Don't get demoralized. Work harder. Write and talk with your image in the mirror. Counter questions that are previously asked. Give a try and the harder one. You will improve yourself. It's not about only CAT it is about your whole life. It will help a lot in your job interviews as well.