At least 61 people were killed in the blast at Karbala-e-Moalla Imambargah during the Friday prayers.
Thousands of mourners attended the funeral prayers of the martyrs. Heart wrenching scenes were witnessed during the last rites.
The mourners did Maatam, recited Nauhas and cried in the memory of those killed in the blast.
The martyrs will be laid to rest in different graveyards of the city.
Majlis-e-Wahdat-ul-Muslimeen (MWM), Jaffaria Alliance and other religious groups had announced country-wide mourning for three days to protest over the attack.
Shutter-down strike is being observed in different parts of Sindh as well.