The proposal has been opposed by some women's activists and others in Britain.
"The statue is an excellent idea that is long overdue. It is great pity that Labour government in UK never thought of it, and the Conservative party government thought of it only in the context of better trade relations with India," he said.
British foreign secretary William Hague and chancellor of exchequer George Osborne during their recent visit to India announced the plan to erect the statue at Parliament Square.
"I hope the statue will represent political and not religious Gandhi. Gandhi leading the Dandi march, and not Gandhi in meditation or prayer. It is this (political) Gandhi who shaped modern India and best fits into the Parliament Square," he said.
The statue will symbolise post-imperial reconciliation between Britain and India, among other things, he said.