• Two housemates debate against each other and speak their opinions on their popularity within the house. Fellow housemates listen to the housemates' speeches and decide who is verified (opinion supported) and who is blocked (opinion rejected)
• Conference task: Housemates can argue their issues with their fellow housemates and settle a conflict that has arisen during the week.

• Bigg Boss members (winners)
• Small house members (lost)

For Bathroom Cleaning: 1 housemate from each house (Raveena and Vickram) participated in the quiz task about the Bigg Boss house. The losers of this task have to perform bathroom cleaning for the week.

• Bigg Boss members (winners)
• Small house members (lost)

• Task 1-Weight party: Big Boss housemates have to stand on a weighing machine so that the total weight has to be equal to the weight displayed by the Big Boss. The winners of this task will have their makeup items saved.
• Task 2: Big Boss housemates have to pass the electric rod through a puzzle board without touching it. Housemates who fail at this task will have all their clothing confiscated by the Big Boss.

• Saravana Vickram, Jovika Vijayakumar and Nixen participated in the captaincy task. In this week's task, housemates must enter the maze in the activity area, collect the maximum gold stars inside it, and have to exit the maze within the stipulated time. The first to exit with maximum stars will be the captain for Week 2.

• Bigg Boss members (Lost)
• Small house members (Winners)
• Bigg Boss members (Lost)
• Small house members (Winners)

• Each housemate has to debate how they are better than other housemates in entertaining the people and also about their contributions to the house and show for the past ten days.
• After the debate, housemates have to vote to choose the winner of the star medal.

• Task 1-Chain Reaction: Five Big Boss housemates, Jovika, Manichandra, Nixen, Yugendran and Poornima, have to balance the given pieces of boxes horizontally between each of their hands for the given time period. Housemates who succeed at this task will retain their grooming and toiletry items.
• Task 2-Mud Cycling: Five Big Boss housemates, Raveena, Manichandra, Nixen, Vinusha and Poornima, have to cycle through the ramp surrounded by clay in the activity area to get the flag within the buzzer. Four flags have to be acquired to win this task. Housemates who fail at this task will have all their clothing confiscated by the Big Boss.
• Task 3-Aaryamala Aaryamala: Three Big Boss housemates, Raveena, Yugendran and Vichithra, participated in this mental stability task. All three of them must remain within the activity area till the buzzer, patiently listening to all the disturbances. If even one of them leaves the area before the buzzer, they fail. Housemates who win at this task will have food cooked by Small House members.

• Block Stacking three contestants nominated for the captaincy had to stack blocks by size from largest on the bottom and to the smallest on the top. Nominees are allowed to have another contestant help to build and stack the blocks. The housemate who successfully protects their stacked blocks from attacks will win the task.

• For House Cleaning: One housemate from each house (Vishnu (Small Boss) and Manichandra (Bigg House)) will participate in this task. This is a task where the housemate needs to balance the ball in the middle of the tube. If they manage to balance the ball, that person is the winner. The losers of this task have to clean the house for the week. The result is Bigg House (Loss) and Small House (Winner).
• For Bathroom Cleaning: One housemate from each house, (Pradeep (Small Boss) and Cool Suresh (Bigg House), will participate in this task. This task is where the housemates need to stack plates and cups like a tower in the water. If they manage to balance it out, they are declared the winners. The losers of this task have to clean the house for the week. The result is Bigg House (Winner) and Small House (Loss).

• Oru Kathai Sollatuma: The housemates of Bigg Boss House shared their past life, their sorrows, strengths, and how they achieved their dreams, with the other housemates. The other housemates have to paste a heart, like, or dislike sticker if the housemate's story was relatable, inspirational, or non-inspirational.
• Oxygen Task: This task pitted Small House and Bigg House against each other. There are thirty oxygen tanks in the garden. The housemates must collect oxygen tanks in order to win each round. There were two rounds held, both of which were won by Bigg House, where they had the power to choose two contenders for captaincy and one direct nomination from Small House.

• Task 1: Code Red: The housemates (Aishu, Jovika, Raveena and Nixen) will see the video color sequence on the screen, and after that, they will show the row to cut the color wire. If successful, their repayment will succeed. If they lose, they have to surrender their clothing for the rest of the week. Only Raveena and Nixen won this task. Therefore, the housemates failed at this task.
• Task 2: Ping Ball: The housemates (Raveena, Manichandra and Yugendran) have to complete the puzzle; however, they must throw the ball while completing the puzzle. If they lose the challenge, they would be unable to eat anything for the entire week. Since Raveena failed to catch the ball, the team failed.

• Captain Campaign: Each captain contender (Nixen, Poornima Ravi and Vijay Varma) must tell how they will run their captaincy and what to prove in the upcoming week. Then, other housemates must choose a number, which will be an OTP number, which contains a four-digit number. The housemates holding that number must decide who becomes captain after listening to the contenders' speeches.

• Football: The housemates (Manichandra and Vishnu) need to sit while playing football. If the housemates fail to kick the ball inside goalkeeping, which gives them points, the house with the most points wins. The Small House won and the Bigg House lost.
• Clean The Teeth: The same housemates who played previously must also compete in the game. The housemates must clean their board teeth fully within the time. The results are that Small House lost and Bigg House won.

• Battery Dead: All 15 housemates must participate in the task. Each housemate must take someone's phone to charge at the charging station. However, the housemates are unable to charge the phone, and the housemate who is on the phone will be removed from the task. This housemate who wins will receive two stars. Jovika won the task and received two stars with the help of Akshaya.
• Likes or Dislikes: All 15 housemates must participate in the task. Each housemate needs to choose two housemates from the house, then they receive videos from the families or friends of the chosen housemates. After analyzing the video, the housemates must decide whether they dislike or like someone they choose. The housemates with the most likes will receive one star. Pradeep won the task and received one star.
• Ranking: All 15 housemates must participate in this task. Each housemate must explain why they deserve the ranks they choose. The housemates will be ranked based on whether their peers found their presentation convincing.

• Pass The Board: One housemate from each house (Maya and Yugendran) must compete in this task. In this task, two housemates pass the blue and red board to each another within the time limit. If they manage to pass every board to the other person, they win. However, they failed in this task.
• Memory Task: The housemates (Akshaya, Aishu and Vickram) need to compete in this task. In this task, housemates need to remember the card order they see on the screen. Then, the housemates need to put in the order of the card that was put out in the garden. The housemates failed in this task.

• Stick To Stick: Five housemates from each house need to hold the ball with a stick without covering it. If they are able to goal the ball, they win. The Bigg Boss House won with the most goals in this task.
• Blow It: Six housemates from each house need to blow the ball to enter each horseshoe. If the housemates succeed, they win. The Bigg Boss House won again in the cleaning task.

• Bell In The Head: Each housemate wears bell headgear. Each of them needs to stand still after the buzzer; if they move, that housemate will lose. The housemate who wins will receive one gold star. Vichithra won the Gold Star task.
• BB Talent Show: The Bigg Boss House was divided into two teams, led by Maya (originally Pradeep) and Suresh. Each team provided solo, duet, and group performances, which were judged by the Small House. And for the first time, the audience was included to support. Suresh's team won, and Aishu and Raveena were named the best performers. Vichithra awarded Aishu a gold star.

• Hole In The Wall: Bigg Boss House will compete to repay their debt, which means each housemate needs to go through each wall if they are able to enter all the walls. The Bigg Boss House completed the task.

On Day 35, Annabharathi was evicted after facing a public vote.

• Maya and Bala
• Aishu and Nixen
• Suresh and Vichithra
• Vishnu and Poornima
• Archana and Dinesh
• Akshaya and Vickram
• Raveena and Manichandra
• Jovika and Bravo

Dinesh and Archana also were appointed as the judges for the dancing competition show, they both pressed the "outstanding performance" buzzer for Suresh and Vichithra. They both won 80,000 BB dollars.

• Poornima VS Vishnu - Raveena (judge)
• Poornima VS Vichithra - Nixen (judge)

As a punishment, Bigg Boss demanded a housemate be sent to the jail from the main house, hence Vishnu was chosen after receiving the majority votes to be sent to jail.

• Deepavali Sweet Task: Housemates were given 45 pieces of Ladoo's and each housemate had to give 2 pieces to another 2 housemates with whom they had developed a strong connection. 3 of the 45 Ladoo's contained a golden star. Any housemate who received 2 stars was able to nominate 2 housemates for the Week 8 eviction process the following week.
• Vichithra received 2 golden stars.
• Manichandra received 1 golden star.

• Unnai Pol Uruthaan: Each housemate imitated the behaviour, dress, and attitude of a housemate of the opposite sex throughout the week.

• Since there were one more male than female housemates in the house, one male was exempted from the task. The majority of female housemates voted to exempt Dinesh.
• So Dinesh became the judge and observed the housemates' imitations. He rated Bala's the worst, so Bala was eliminated from the task and replaced by Dinesh.
• Dinesh Secret Task: Dinesh was called to the confession room and the Bigg Boss instructed him to argue with housemates, thereby provoking them to stop their imitations and revert to their usual behaviour.

• Dinesh succeeded in the task by provoking housemates to abandon their mimicry.

On Day 50, Bigg Boss announced that each housemate must complete three tasks in order to prevent three wildcard contestants from entering the house. The wildcard contestants pending to enter are former housemates who were evicted from the house earlier in the season. Each failed task will result in one wildcard contestant entering the house and each completed task will prevent one wildcard contestant from entering the house.

Ananya S Rao and Vijay Varma re-entered the house as wildcard contestants.

On Day 56, Akshaya Udayakumar was evicted after facing a public vote.

On Day 77, Cool Suresh was evicted after facing a public vote.

On Day 98, Vichithra was evicted after facing a public vote.