Hi Abhishek,

Thanks for asking, Though developing proficiency in grammar and vocabulary requires long and sustained efforts, using the effective methods of learning and with good guidance, sufficient skill can be developed within a short span of time.

I have provided you the link to mostly asked antonyms and synonyms in CLAT.

Click on the link given below:

http://www.readskill.com/Resources/SkillResourceLists/pdf/RM_SynonymsAntonyms.pdf

Good Luck!