For the wise man, even a grass straw is a weapon) is a 2014 Indian Tamil-language action comedy film directed by Srinath and released by Studio Green on 9 May 2014.

A faction feud in Tamil Nadu results in the death of Singaraayar's brother, and he, along with his two sons Dharma and Kaali, vow for revenge.

Her cousin Raja learns of this and refuses to marry Vaanathi, though Shakthi had convinced him earlier in order to prolong Singaraayar's plan.

[3] In October 2012, the production team announced that Santhanam would play the lead role in the venture, while R. Kannan would direct the film.

[4][5] Kannan subsequently opted out of the film, noting that he was unhappy on the first-copy production agreement which had been put in place, and was replaced by comedian Srinath, who had previously directed Muthirai (2009).

[6] Delays in starting the film led to reports that Santhanam would be replaced by Siva Karthikeyan in the lead role, but this proved to be untrue.

[8] Anirudh however dropped out of the project in early July 2013 owing to a busy schedule and was subsequently replaced by Santhosh Narayanan, who had achieved success for his work in Pizza (2012) and Soodhu Kavvum (2013).

The team began shooting in mid September 2013 by filming scenes at EVP World, the amusement and theme park in Poonamallee on the Chennai to Bangalore highway.

[10][11] Mumbai based model Ashna Zaveri was signed on to play the leading female role, thus making her debut as a film actress.

[17] Rediff gave it 2 stars out of 5 and wrote, "The plot may have worked earlier, but unfortunately Santhanam’s Vallavanukku Pullum Aayudham is slow and unexciting and does little to keep the audience entertained".

[20] Behindwoods gave it 2.5 stars out of 5 and wrote, "Director Srinath has made every possible attempt to remain unpredictable, however falls prey to the restrictions of a commercial masala, which can be neglected as there appears to have been no compromise in the level of entertainment".