New Delhi, March 14 -- Finance Minister Nirmala Sitharaman said, if the DMK has a problem with ''', why didn't it protest back in 2010 when it was officially adopted under the Congress-led UPA government, at a time when the DMK was part of the ruling alliance at the Centre."Ironically, ''' was designed by D Udaya Kumar, the son of former DMK MLA N Dharmalingam. By erasing it now, the DMK is not only rejecting a national symbol but also utterly disregarding the creative contribution of a Tamil youth. Moreover, the Tamil word 'Rupaai' itself has deep roots in the Sanskrit word 'Rupya,' meaning 'wrought silver' or 'a worked silver coin.' This term has resonated across centuries in Tamil trade and literature, and even today, 'Rupaai' remains th...