The Prime Minister will hold the fast along with the Bharatiya Janata Party (BJP) party members.
BJP President Amit Shah will also sit on dharna in Karnataka's Hubballi on April 12 over the same issue.
"On April 12, PM Modi to observe fast alongside his daily work and engagements and BJP President Amit Shah to take part in a dharna, in Karnataka's Hubballi, over the issue of disruptions during budget session of Parliament, " BJP leader Anil Baluni told ANI.
Earlier Congress party-led by party president Rahul Gandhi sat on fast for a day at Rajghat to protest against the BJP government and non-functioning of the Parliament.(ANI)