The rupee depreciated 10 paise to 83.50 against the US dollar in early trade on Monday, largely due to the rise in the dollar index and US yields. Forex traders said uncertainty among market players was down as Narendra Modi was sworn in as Prime Minister on Sunday for a record-equalling third term. However, the strength of the American currency in the international market weighed on the local unit. At the interbank foreign exchange market, the local unit opened at 83.48 and lost further ground to trade at 83.50 against the greenback, registering a loss of 10 paise from its previous closing level. On Friday, the rupee appreciated 13 paise to 83.40 against the US dollar. According to Anil Kumar Bhansali, Head of Treasury and Executive Director Finrex Treasury Advisors LLP, the rupee opened at 83.50 largely due to the rise in the dollar index and US yields. "The Reserve Bank of India (RBI) should be present protecting the rupee as existing policies of the government will continue wi