Patna, June 19 -- The National Commission for Scheduled Castes on Thursday sent a notice to the Bihar Chief Secretary seeking a detailed action-taken report within 15 days on allegations that RJD leader and former Chief Minister Lalu Prasad Yadav 'insulted' Dr B R Ambedkar's portrait.

The controversy erupted after video of Lalu Prasad Yadav celebrating his 78th birthday went viral. The video shows the former chief minister of Bihar stretching his legs near the portrait of Ambedkar.

Earlier in the day, Bharatiya Janata Party put up posters in Patna attacking Yadav for allegedly disrespecting Dr Ambedkar.

The posters attacking Lalu Prasad Yadav in Patna read, '7 din hone ko hai, kab maafi maangoge Lalu Yadav aur Tejashwi Yadav' (It is ab...