JEE Main 2026 21 Jan Shift 1 & 2 Unofficial Answer Key PDF – Physics, Chemistry, Maths

 The JEE Main 2026 exam for 21 January Shift 1 was conducted in the morning session from 9:00 AM to 12:00 PM and the shift 2 was conducted in the evening session from 3:00 PM to 6:00 PM. The JEE Main 2026 unofficial answer key for Physics, Chemistry, and Mathematics has been released by PW based on memory-based questions compiled by subject experts and student feedback. Subject-wise PDFs of JEE main 2026 21 Jan shift 1 PW answer key and JEE main 2026 21 Jan shift 2 PW answer key are available for download for quick reference.

Also Check: JEE Main 2026 January 22 Answer Key 

JEE Main 2026 21 Jan Shift 1 & 2 Answer Key – Subject-Wise PDFs

Candidates can now check the subject-wise unofficial answer key PDFs by Physics Wallah for Physics, Chemistry, and Mathematics to verify their responses before the official answer key is published by NTA. The unofficial answer key PDFs are prepared using recalled questions and standard solutions. These files help students perform early answer verification.

JEE Main 2026 21 Jan Shift 1 & 2 Physics Answer Key 

The Physics section answer key is prepared using recalled questions from candidates who appeared in the exam.

These PDFs help in checking responses from topics such as Mechanics, Current Electricity, Magnetism, Modern Physics, and Semiconductors.

JEE Main 2026 21 Jan Shift 1 & 2 Chemistry Answer Key 

The Chemistry unofficial key covers Physical, Organic, and Inorganic sections. It includes memory-based solutions for numerical and conceptual questions asked in the exam.

JEE Main 2026 21 Jan Shift 1 & 2 Mathematics Answer Key 

Mathematics solutions are compiled carefully using student-reported questions. These PDFs are useful for verifying answers from Coordinate Geometry, Calculus, Algebra, and Vectors & 3D Geometry.

How to Use JEE Main Unofficial Answer Key

• Match each question ID with your response

• Verify the selected option with the unofficial key

• Keep your response sheet open while checking

• Mark doubtful answers separately

• Do not assume final score accuracy

• Wait for the official key for confirmation

Difference Between Official and Unofficial Answer Key

Candidates should always rely on the official NTA answer key for final evaluation.

How to Calculate Scores using the JEE Mains 2026 January 21 Shift 1 & 2 Answer Key?

Candidates can calculate the probable score they will secure in the exam based on the January 21 shift 1 & 2 answer key. Here is the JEE marking scheme.

Probable Score = (No. of correct answers x 4) - (No. of incorrect answers)