Mumbai, April 9: The Indian rupee opened on a weaker note on Thursday, tracking losses across Asian currencies, as lingering uncertainty over the durability of a ceasefire between the US and Iran kept risk appetite in check and added to the overhang from recent forex market curbs by the Reserve Bank of India. The domestic currency started the session at 92.66 per dollar, compared with the previous close of 92.59, reflecting cautious sentiment among traders amid global geopolitical tensions and regulatory developments at home. Asian Currencies Decline Weakness in the rupee was in...