The Indian rupee depreciated 20 paise to 74.77 against the US dollar in opening trade on Monday as firm American currency and weak domestic equities weighed on investor sentiment. At the interbank foreign exchange, the rupee opened at 74.73 against the dollar, then fell further to 74.77, registering a fall of 20 paise over its previous close.

On Friday, the rupee had settled at 74.57 against the US dollar. The Indian Rupee started on a weaker note this Monday against the greenback tracking the strength of the dollar, Reliance Securities said in a research note. Asian currencies have started weak against the greenback this Monday morning and will weigh on sentiments.