New Delhi, July 2 -- Iran has invited the top leadership of the ruling Bharatiya Janata Party (BJP) and main opposition Congress party and several lawmakers to the funeral of former Supreme Leader Ali Khamenei, people familiar with the matter said on Wednesday. The invitations were despatched by the Iranian ambassador's office to BJP national president Nitin Nabin, Congress president Mallikarjun Kharge and senior leader Salman Khurshid, a former external affairs minister who heads the party's foreign affairs department, the people said on condition of anonymity. There was no formal word on the level of the BJP's participation in the main event of the funeral programme to be held in Tehran on July 4. The people said the Congress party has no...