In CSE (Main) Paper 1 English and Hindi is compulsory qualifying paper and its marks are not added to the grand total. All study material required for this Paper, is given in Vocabulary and Grammar unit . The unit covers advance level as well. The CSE qualifying paper will be of CBSE Class 10 level, as can be seen in the NCERT text book of English for Class 10. The NCERT Text Books of English and Hindi, for classes 5 to 12, are also available here.
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The NCERT Text Books of English and Hindi for classes 5 to 12, are available in School unit for review, if required.
Daily practice for Precise and Comprehension topics is suggested. Try making a precise of one editorial, from any newspaper that you read. This practice will cover both these topics.