Correct Option: C

In February 1757, the treaty of Alinagar was signed. The treaty of Alinagar was concluded between Sirajuddaula and Lord Clive. The Nawab was forced to sign the Treaty of Alinagar on 9th February 1757, wherein all the demands of the English were conceded. The Nawab was asked to restore the rights and immunities of the Company and to compensate them for the losses they had suffered in the war.