In a speech aired on state TV, Rouhani said the country's economy had stabilised despite punishing US measures against its senior leaders, banking and finance sectors.
Indian Embassy on Thursday got consular access to the 18 Indians who were on board Impero.
The tankers were struck in the same area where the US accused Iran of using naval mines to sabotage four other oil ships in an attack last month, reports say.
Pradhan said the country accords high priority to a gas-based and clean economy and is planning to more than double the share of natural gas in the energy mix...
The sanctions cover Iran's banking and energy sectors and reinstate penalties for countries and companies in Europe, Asia and elsewhere that do not halt...
The US State Department has set November 4 as the deadline for international oil buyers to stop all their oil purchases from Iran.
India, Iran's second-biggest oil client behind China, has already reduced its intake of Iranian oil but has not yet decided whether to end purchases completely.
The US oil rig count rose by one in August after gaining three rigs in July and losing one in June.