Hey Saurabh

Yes It is neccessary to filled bubble section in omr sheet for class 1oth and 12th according to new guide lines it is necessary to fill up both star bubble as well as answer option bubble for 100% surity.

• Details of candidates will be pre-filled in the OMR

• Candidates will have to write Question Paper Code in the upper right corner. Code will be provided on the question paper

• Candidates have to write in their own handwriting: "I confirm that all particulars given above are correct." They will have to 'sign in the running hand on the OMR'
• Only black/blue pen can be used to fill the desired option
• Use of pencil is "strictly prohibited"

thank you