Opposition to hold multiple meetings to discuss grand alliance ahead of winter session of Parliament. LIVE UPDATES here

Update at 6:58 PM: Chandrababu Naidu and Congress president Rahul Gandhi address a press briefing after the opposition meeting.

Update at 4:50 PM: Opposition party meeting headed by Sonia Gandhi and Rahul Gandhi underway at New Delhi

Update at 4:45 PM: Congress chief Rahul Gandhi and Sonia Gandhi arrive for the meeting of the opposition parties 

Update at 2:42 pm: Senior Congress leader Ahmed Patel meets Andhra Pradesh CM N Chandrababu Naidu

Update at 2:25 PM: Jammu & Kashmir National Conference chief Farooq Abdullah meets N Chandrababu Naidu

Update at 1:30 pm: DMK chief MK Stalin meets Delhi CM Arvind Kejriwal ahead of the opposition meet.

Update at 1:29 pm: N Chandrababu Naidu, who has been at the forefront in bringing together the opposition parties, meets West Bengal CM Mamata Banerjee. 

Update at 1:26 pm: PM Modi leaves parliament after the all-party meeting

Update at 12:53 pm: Asaduddin Owaisi tweets about impending meeting with KCR

Update at 12:49 pm: Opposition meetings are nothing more than a photo-op. It is nothing but a coming together of confusion and corruption: Sambit Patra, BJP

Update at 12:33 pm: Praja Kutami leaders from Congress, TDP, TJS and CPI to meet Governor ESL Narasimhan at 3:15 PM in Raj Bhavan. The agenda is to inform the Governor that if Praja Kutami gets a majority they should be invited first to form the government.

Update at 12:31 pm: PM Modi arrives at the Parliament ahead of the all-party meet

Update at 11:15 am: Home Minister Rajnath Singh greeted by senior Congress leader Ghulam Nabi Azad ahead of the all-party meet.

Update at 10:30 am: DMK chief MK Stalin meets NCP chief Sharad Pawar ahead of the opposition meet

Update at 10:10 am: Huge blow for NDA as RLSP chief and Union Minister Upendra Kushwaha is on the verge of leaving. He is set to miss the NDA leaders meeting later on Monday. 

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Ahead of the assembly election results for five states, the opposition is holding a meeting on Monday to discuss a grand alliance for next year's national polls. The meeting, to be held in Delhi, has been called by Chandrababu Naidu, who has taken on the challenging task of bringing the opposition parties under a single umbrella to take on the BJP in 2019. The meeting will commence at 3:30 PM where the pitch for a Mahagatbandhan (Grand Alliance) will take shape. 

Read: EXPLOSIVE: Confident Amit Shah Dismisses 'Faceless' Mahagathbandhan Ahead Of Assembly Elections, Responds On Ayodhya, RBI, CBI And Rafale

The likely agenda includes the strategy that non-BJP parties should adopt for the upcoming winter session of Parliament. Many of the big names in the national and regional politics are expected to attend the meeting in Delhi.

The parties likely to join the meeting are Congress, Telugu Desam Party (TDP), Trinamool Congress (TMC), National Conference (NC), Nationalist Congress Party (NCP), Communist Party of India (CPI), Communist Party of India (Marxist), Dravida Munnetra Kazhagam (DMK), Rashtriya Janata Dal (RJD), Loktantrik Janata Dal (LJD), Samajwadi Party and Bahujan Samaj Party (BSP).

Read: Coalition Hints Dropped In Telangana: After BJP Says It Could Support TRS But Not AIMIM, Cong-TDP Courts Owaisis' Party

Meanwhile, AAP is likely to join opposition meet.  Along with Chandrababu Naidu, NCP chief Sharad Pawar is also involved in efforts to resolve differences between the Congress and its rivals to ensure that a broad-based alliance is firmed up to take on the BJP in the 2019 elections.

One the very same day when the 'Mahagathbandhan' meets, the BJP will also hold its own parliamentary executive meeting at 3:30 pm, which will then be followed by a meeting of NDA leaders.