The documents required for an Indian citizen to apply for a UK Youth Mobility visa include:
-A valid passport with at least 6 months validity remaining
-Proof of financial support, such as bank statements or sponsorship letters
-A tuberculosis test certificate (if required)
-A completed online application form
-A recent passport-sized photograph
-A certificate of sponsorship from the UK government or an organization authorized to sponsor youth mobility visa applicants
-Proof of travel insurance
-A fee payment for the visa application
It's important to note that this is a general list and specific requirements may vary depending on individual circumstances. It's always best to check with the UK Visa and Immigration website for the most up-to-date information.