That small vessel is actually a weapon as it contains explosive chemicals (a bomb named "Ophalaska") with its changing colours.

Another scene opens in Pollachi, where Sarveshwaran's doppelganger Surya is an unemployed youth.

He also asks his mother to get him admitted in a government school so that he can learn to speak English.

The principal denies it, and he accidentally pushes his mother from the balcony, resulting in her death.

Thirumalai is a cop who investigates a lorry which contains a lot of small vessels that have Ophalaskas.

Thirumalai gets confused to see a hospital getting converted into a lodge and injured men suddenly getting recovered.

Rekha, a police officer who helps Surya's for undercover plan, so she changed her name as Minmini.

Later he also finds the matter that Sarveshwaran has made contacts with Chinese terrorists for helping him so that India is no more.

Surya, along with three undercover cops, goes to Sarveshwaran's house and kills his two men Rangarajan aka RR and Dhandapani.

[2][3] Both actresses were present during the launch of the film [4] but were replaced later with Oviya and Meera Nandan.

[5] Kannada actor Arun Sagar was selected to play one of the negative roles thus making his acting debut in Tamil.

Namitha, Dhanush, Vikram Prabhu, Vimal, KS Ravikumar, Radha Ravi, Vijayakumar, A Venkatesh, Abirami Ramanathan, AL Alagappan, G. Siva, Madhan Karky, Sripriya, Lissy Priyadharshan, Santhana Bharathi, Mayilsamy, James Vasanthan, AL Vijay, Nirav Shah, Kalaipuli S Thanu, Mohan Raman, Lakshmi Ramakrishnan, RK Selvamani, Bharath, V Sekar, K Rajan, RB Choudary, Ramki, Nirosha, Bobby Simha, Manobala, Listin Stephen, Suseenthiran, Mohan, Naren participated in the event.

[8] M Suganth of Times of india gave two point five out of five and wrote that " Sandamarutham would have worked better as a lean and mean action thriller but the director, A Venkatesh, also doesn’t want to lose out on the “family audience”".