Pittsburgh, Sep 26 - Prime Minister Manmohan Singh says people of Afghanistan as also European and American leaders are appreciative of India's role in Afghanistan where it has invested $1.5 billion to help reconstruction.

'We have not supplied any arms, we are also helping them in construction and financing of projects in power, health and education sectors,' he told reporters Friday when asked about a top US general's suggestion that India's growing influence in Afghanistan could 'exacerbate' regional tensions.

'I think to my knowledge there US and other European powers are appreciative of the role played by India in Afghanistan,' Manmohan Singh said noting to date India has committed $1.5 billion in Afghanistan.

'Not only people of Afghanistan appreciate, but Europe and American leaders are of the same view. As far as Afghanistan is concerned, I agree that we have to sail in these difficult waters,' he said.