President Droupadi Murmu on Monday urged people to preserve their mother tongues and emphasised on collective efforts towards the betterment of society.

She was speaking at the 22nd Santali ‘Parsi Maha’ (Language Day) and the centenary celebrations of the Ol Chiki script of the Santali language at the Dishom Jaherthan courtyard in Karandih, on the outskirts of Jamshedpur in East Singhbhum district, reported news agency PTI.