Kolkata/Jaipur/New Delhi: Over 90 writers and intellectuals from West Bengal have written to President Pranab Mukherjee seeking his intervention in the Dadri lynching incident and recent attacks on rationalists even as a Rajasthan writer returned his Sahitya Akademi award joining a list of over 30 authors protesting 'growing intolerance'.

In a related development, 17-year-old schoolgirl Ria Vithasa from Shimoga, Karnataka on Wednesday said she is handing over her Bal Sahitya award as she was pained by the killing of noted writer M M Kalburgi from the state.