Yashika Aannand, Ponnambalam, Mahat Raghavendra, Daniel Annie Pope, Vaishnavi Prasad, Janani Iyer, Ananth Vaidyanathan, Ramya NSK, Sendrayan, Riythvika, Mumtaz, Thadi Balaji, Mamathi Chari, Nithya Balaji, Shariq Hassan Khan and Aishwarya Dutta
Janani
Mahat and Mumtaz
None
Ananth, Mumtaz, Nithya and Riythvika
None[39]
Nithya
Mamathi and Ponnambalam
None
Ananth, Mamathi, Mumtaz and Ponnambalam
Intha Veetil Yaar Sirapaaga Nirvaagam Seyya Koodiyavargal - Aangala Pengala?: Housemates were divided into two gender-based teams; the male team is the owner, with the female team serving them. The roles later reversed.[40][41]
Mamathi (evicted on day 14)[42]
Vaishnavi
Sendrayan
None
Ananth, Balaji, Mumtaz, Nithya and Ponnambalam
Thanni La Kandam: Housemates were divided into two teams, and each team must keep water from flowing out of a tank with their hands.[43]
Ananth (evicted on day 21)[44]
Ramya (former captain), Nithya
All housemates (Ramya), self-nominated (Nithya)
Ponnambalam, Yashika, Nithya and Mahat
Balaji, Nithya, Ponnambalam and Yashika
Thittam Pottu Thirudara Kootam: Housemates were divided into three teams: thieves, police and ordinary citizens. The police and citizens need to stop the thieves from stealing, and the police will determine the thieves' punishment if they are caught.[45]
Nithya (evicted on day 28)[46]
Mahat
Balaji and Shariq
Balaji
Aishwarya, Balaji, Janani, Ponnambalam and Ramya
Kanaa Kaanum Kaalangal: School-related tasks[47]
Ramya (evicted on day 35)[48]
None
N/A
Mahat and Balaji
Mahat, Mumtaz, Ponnambalam, Vaishnavi and Yashika
Enga Area Ulla Varadha: Housemates were split into two teams and given tasks to complete and rule different parts of the house.[49]
Vaishnavi (sent to the Secret Room on Day 42)[50]
Vaishnavi (re-entered on day 46 after four days in the Secret Room)
Aishwarya
All housemates
All housemates except Aishwarya, Daniel, Janani and Balaji
Balaji, Mahat, Mumtaz, Ponnambalam, Riythvika and Shariq
Rani Maharani: Housemates must obey Aishwarya's orders, the house dictator[51]
Shariq (evicted on day 49)[52]
Shariq (former captain), Yashika
Riythvika (Shariq), chosen by Shariq (Yashika)
None
Janani, Ponnambalam and Sendrayan
Yennaipol Oruvan: Housemates were divided into two teams, and each member must impersonate a member of the other team.[53]
Ponnambalam (evicted on day 56)[24]
Aishwarya
Janani
None
Daniel, Janani, Riythvika, Sendrayan and Vaishnavi
Bommalattam: Housemates were divided into two teams, and each team must make toys from raw material brought from outside. A supervisor from each team checked the other team's toys and accepted or rejected them.)[54]
Vaishnavi (evicted on day 63)[55]
Vijayalakshmi Agathiyan (entered on day 67)
Yashika
Mahat
None
Balaji, Mahat, Mumtaz and Sendrayan
Uthama Villaingal: Housemates were divided into two teams: super-heroes and super-villains. The superheroes must save someone in jail, and the super-villains tried to distract them. The teams switched roles the next day, to prevent the super-villains from making bombs.[56][57]
Mahat (Ejected with a red card on Day 70 for assaulting Daniel)[58]
Mahat (former captain), Sendrayan
Aishwarya, Mumtaz, Sendrayan and Yashika (Mahat), chosen by Kamal Haasan (Sendrayan)
None
Balaji, Daniel and Janani
Freeze and Release: Housemates must freeze in place when Bigg Boss says "Freeze", until he says "Release". Failure was punished.[25]
Daniel (evicted on day 77)[59]
Yashika
Aishwarya, Mumtaz, Riythvika, Sendrayan and Vijayalakshmi
None
Aishwarya, Janani, Mumtaz, Sendrayan and Vijayalakshmi
Housemates were told by phone that they were nominated for the following week's eviction, and must convince another housemate to perform a task to save themselves from the nomination.[60]
Sendrayan (evicted on day 84)[61]
Riythvika
All housemates
None
Aishwarya, Mumtaz, Riythvika and Vijayalakshmi
Mumtaz (evicted on day 91)[29]
None
N/A
None
Aishwarya, Balaji, Riythvika, Vijayalakshmi and Yashika
Housemates must participate in tasks to accumulate points, and the housemate with the most points at the end received a prize.[62]
Vijayalakshimi (evicted on day 98)[30][63]
None
N/A
None
N/A
During the final week, viewers voted for their choice. The finalists were Aishwarya Dutta, Janani Iyer, Riythvika and Vijayalakshmi Feroz.