Speaker Meira Kumar read out the obituary references to Singh and former members Manharan Lal Pandey and P Shanmugam.
Members also mourned the deaths of 36 persons in a stampede at the Allahabad Railway station. Many of the victims were returning after having a bath at the confluence of rivers Ganga, Yamuna and the mythical Saraswati during the ongoing Kumbh Mela.
Earlier, Secretary General T K Viswanathan laid a copy of the President's address to the joint sitting of both Houses of Parliament.