<P> Pasanaha Chariu of Vibudh Shridhar (VS 1189 - 1230) an Apabhramsha writer, provides the first reference to the legend of the origin of the name Dhilli for Delhi . </P> <P> हरियाणए देसे असंखगाम, गामियण जणि अणवरथ काम परचक्क विहट्टणु सिरिसंघट्टणु, जो सुरव इणा परिगणियं रिउ रुहिरावट्टणु बिउलु पवट्टणु, ढिल्ली नामेण जि भणियं </P> <P> Translation: There are countless villages in Haryana country . The villagers there work hard . They don't accept domination of others, and are experts in making the blood of their enemies flow . Indra himself praises this country . The capital of this country is Dhilli . </P> <P> जहिं असिवर तोडिय रिउ कवालु, णरणाहु पसिद्धउ अणंगवालु वलभर कम्पाविउ णायरायु, माणिणियण मणसंजनीय </P>

When did the transformation of delhi take place