Well, there are a few things that you must keep in mind while filling in the UPSC application form because making errors while filing the UPSC application form can cost you the wastage of the application fees and also can ruin your chances of appearing for the UPSC examination. So, be very alert while filling out the UPSC application form and keep in the mind the points mentioned below.

1. In Part-1 Registration, fill in your personal details, educational qualification, and address.
2. In Part-2 Registration, provide your payment details, your choice of Exam Center, photograph, signature, photo id documents, and declarations.
3. As far as photos and signatures are concerned, upload a scanned copy of your signature and photo. Size of each file – 20 KB to 300 KB. The resolution: (350 x 350 pixels) to (1000 x 1000 pixels). The image file should have a bit depth of 24 bits.
4. Provide your email address for the UPSC to communicate with you.
5. Note that details like optional subjects, exam center, Choice of Indian language for Indian language paper, and medium of examination cannot be changed after form submission.
6. Also, upload photo id documents in PDF format only. Size shouldn’t be more than 300 KB or less than 20 KB.
7. Give your photo id card number in the application form and also upload a copy. You’d have to carry the same photo-id later to the exam hall.