It has been mentioned that light coloured clothes are preferred. So we would suggest you to Opt for Light coloured half sleeved kurta with palazzos or loose pants. Dont go for leggings or jeans. Also make sure you are not wearing any jewelry of whatsoever metal. No earrings, no rings, no chains, no bangles, bracelets, anklets etc. No big embroidery or big buttons. Keep it simple with flats or sandals or slippers. Also carry with you:

Admit card

Self declaration form

2 passport size photographs

50 ml sanitiser

A transparent water bottle

Valid Id proof

Masks and Gloves