The 15th Lok Sabha has not seen any no-confidence motion.
A plan by Mamata Banerjee's Trinamool Congress to bring it over a year back came a cropper as it failed to find the requisite support.
Trinamool has 19 members in Lok Sabha.
The MPs from Seemandhra, as well as those from the TDP, have been protesting the division of Andhra Pradesh in the House, with several of them moving into the Well today.
Large-scale protests have engulfed the region in Andhra Pradesh, with a bandh call given by several parties including TDP and YSR Congress after the Union Cabinet approved the draft state reorganisation bill last week, based on the recommendations of a Group of Ministers.