Mumbai Oct 4 - The Indian rupee plunged to a fresh record low of 73.77 to a US dollar on Thursday morning. It stood at 73.77 (73.7688) to a dollar -- the lowest ever mark -- it has touched against the greenback.

It opened the day s trade at the Inter-Bank Foreign Exchange Market at 73.67 to a dollar from its previous close of 73.34.

At 9.50 a.m. the rupee stood at 73.65 to a greenback.

--IANS