Gaye holud
Gaye holud ( lit: "yellow/turmeric on the body" ) or Gatro Horidra ( গাত্র-হরিদ্রা ) is a ceremony observed mostly in Bangladesh and in neighboring Indian state of West Bengal , Tripura & Assam by all Bengalis regardless of their religion . 
<triplet> Bangladesh <subj> Bengalis <obj> ethnic group