Which of the following was the first sepoy, who refused to use the greased cartridge and killed an Adjutant?

Which of the following acts were passed by the British Government in $1856$?

$1$. Hindu Widow Remarriage Act

$2$. Abolition of Sati (Regulation $\mathrm{XVII}$ )

$3$. General Service Enlistment Act

$4$. Religious Disabilities Act

Select the correct answer using the codes given below.