Supporters of the BJP attend a prayer ceremony to mark Narendra Modi's birthday in New Delhi. REUTERS

Sand artist Sudarsan Pattnaik gives finishing touch to a sand sculpture dedicated to PM Narendra Modi in Puri. (PTI Photo)

Members of Hindu Sena cut a cake as they celebrate Narendra Modi's 70th birthday in New Delhi. (PTI Photo)

Hindu Sena workers cut cake in celebration on the 70th birthday of PM Narendra Modi in New Delhi on Thursday. Tribune Photo: Manas Ranjan Bhui

Hindu Sena workers cut cake in celebration on the 70th birthday of PM Narendra Modi in New Delhi on Thursday. Tribune Photo: Manas Ranjan Bhui

An artist makes a painting on the eve of Prime Minister Narendra Modi's 70th birthday in Mumbai. (PTI Photo)