It said any distinction between the two resulting in the denial of the NRIs' right to vote would be violative of article 19(1) as well as article 21 of the constitution.
The plea said 114 countries have adopted external voting and 20 such countries are from Asia.
It said external voting could be by setting up polling booths at the diplomatic missions, or by postal, proxy or electronic voting.
Seeking the reading down of section 20A of the Representation of People (Amendment) Act, 2010, that mandates the presence of the voter at the polling station to cast his vote, the petitioner Shamsheer V.P. said: 'If the relief sought is granted, then a total number of 1,00,37,761 people will be entitled to cast their votes as against a paltry 11,000 who have registered' at present.
Shamsheer V.P. migrated to the UAE 12 years ago, prior to which he was enrolled as a voter in his hometown of Calicut in Kerala. He had voted in the earlier elections but was subsequently removed from the voters list because of his NRI status.
Shamsheer V.P. operates nine hospitals in the UAE and a pharmaceutical manufacturing unit with a combined staff strength of around 5,600 people of which 3,600 are Indians.
The plea filed by counsel Haris Beeran said that while parliament recognises the legitimate constitutional right of all NRIs to join the democratic process in the country, but the same stands stifled by the way this has been incorporated in section 20A of the Representation of the People (Amendment) Act, 2010.
Beeran said section 20A of the Act 'is not in consonance with the objects and reasons behind promulgating it'.
The intent of parliament was to recognise the legitimate constitutional right of all NRIs to join the democratic process but the same was frustrated by enjoining upon the NRI voters to come to their constituencies to cast their vote .