"The Town of Calcutta and Fort William was soon retaken, with several other Forts belonging to the Enemy. This news brought down the Nabob, or Prince of the Country, himselfe at the head of 20,000 horse and 30,000 foot, 25 pieces of cannon, with a great number of elephants—our little army, consisting of 700 Europeans and 1200 blacks, arm'd and disciplined after the English manner, lay encamped about 5 miles from the Town of Calcutta. On the 4th of February the Nabob's Army appear'd in sight, and past our camp at the distance of 1½ miles, and encamp'd on the back of the town. Several parties of their horse past within 400 yards of our advanc'd battery, but as wee entertain'd great hopes of a peace from the Nabob's promises, wee did not fire upon them.
"On the 5th, agreeable to the Nabob's desire, I despatch'd two gentlemen to wait upon him, in hopes everything might be settled without drawing the sword, but the haughtiness and disrespect with which he treated them convinced me nothing could be expected by mild measures. This determin'd me to attack his camp in the night time, for which purpose I aply'd to Admiral Watson for 500 sailors to draw our cannon, which he readily sent me, and at 3 o'clock in the morning our little army, consisting of 600 Europeans, 500 blacks, 7 field-pieces and the sailors above mentioned, set out for the attack.
"A little before daybreak wee entred the camp, and received a very brisk fire. This did not stop the progress of our troops, which march'd thro' the enemie's camp upwards of 4 miles in length. Wee were more than 2 hours passing, and what escaped the van was destroy'd by the rear. Wee were obliged to keep a constant fire of artillery and musketry the whole time. A body of 300 of the enemy's horse made a gallant charge, but were received with so much coolness by the military that few escaped. Several other brisk charges were made on our rear, but to no purpose, and wee returned safe to camp, having killed by the best accounts 1300 men and between 5 and 600 horse, with 4 elephants, the loss on our side 200 men killed and wounded. This blow had its effect, for the next day the army decamp'd and the Nabob sent me a letter offering terms of accommodation; and I have the pleasure of acquainting your Grace a firm peace is concluded, greatly to the honour and advantage of the Company, and the Nabob has entered into an alliance offensive and defensive with them, and is returned to his capital at Muxadavad.
"As I have already been honour'd with your Grace's protection and favour, I flatter my selfe with the continuance of it, and that, if your Grace thinks me deserving, your Grace will recommend me to the Court of Directors.—I am, with the greatest respect, your Grace's most devoted humble servant,
"Robert Clive.
"Camp near Calcutta,
"23d Febry. 1757."
The terms of the treaty were exceedingly favorable to the company. All the privileges formerly granted to the English were renewed, all trade covered by English passes was freed, all property of the company or of its servants or tenants which had been taken by the Nawab's officers to servants was to be restored; the English were to fortify Calcutta, and to coin money as they might deem proper. The Nawab, on February 11th, began his return march to his capital, previously commissioning Omichand, in whose garden the late battle had been fought, to propose a treaty of alliance, offensive and defensive, with the English. This treaty was accepted and signed by Clive and Watson, not without some hesitation on the part of the latter, who, the day after the fight in the outskirts of Calcutta, advised Clive to renew his attack. Clive, however, dreaded a combination between the French and the Nawab, and regarded the French settlement at Chandernagor as a serious danger to Calcutta. He had learned, when at Hugli, that war had been again declared between England and France, and before leaving Madras he had been instructed by the government there that, in the event of a war with France again breaking out in Europe, he was to capture Chandernagor.
After the capture of Chandernagor, Clive's distrust of the Nawab was intensified, not only by the information supplied by Mr. Watts of his intrigues with the French, but by his refusal to allow the passage of a few Sepoys and of supplies of ammunition and stores to the English factory at Kasimbazar. Meanwhile Clive received from Watts information of a plot which had been formed by some of the leading personages at the Nawab's court to dethrone him. These persons were Raja Dulab Ram, the finance minister; Mir Jafar, the commander-in-chief of the army; and Yar Latif Khan, a man not of the first rank, who would seem to have started the conspiracy, stipulating that, if it succeeded, he should be made nawab. There is some ground, however, for supposing that the original suggestion emanated from Jaggat Seth, a wealthy banker, who had received personal insults from the Nawab. Another person of considerable weight who was also implicated in the plot was Omichand, the wealthy Hindu in whose garden the Nawab's camp had been pitched on that foggy night in February when Clive marched through it. On that occasion he sustained a somewhat heavy loss, but inflicted a much heavier loss upon the troops of the Nawab, and thereby frightened the latter into treating for peace. At an early stage of the proceedings Clive received overtures from Mir Jafar, the commander-in-chief, who offered to aid the English against the Nawab on condition that he should succeed him. The events which followed included what in some respects were the most brilliant, and were certainly the most questionable, incidents in Clive's career. While his military reputation, already established by the defence of Arcot, the victory at Kaveripak, and the operations before Trichinopoli, rose higher than ever, and while he developed a capacity for civil and political administration of the highest order, the fame of his exploits was tarnished by a breach of faith which it is impossible to justify, and by the acceptance of large sums of money from the native prince whom he placed upon the throne of Bengal after the deposition of Suraj ud Daulah.
The treaty provided for an offensive and defensive alliance with Mir Jafar; for a prohibition against any resettlement of the French in Bengal, and for the transfer of their factories to the English company; for compensation for English losses at Calcutta, viz., to the company, £1,000,000; to the European inhabitants, £500,000; to the native inhabitants, £200,000; to the Armenians, £70,000; for the cession of all land within the Mahratta ditch and 600 yards beyond it; for the cession to the company of the Zemidari of the country to the south of Calcutta as far as Kalpi, subject to the payment of the customary rent; for the payment by the Nawab of all English troops sent to his assistance, and for a prohibition against the erection of any new forts below Hugli. Under a supplementary treaty Mir Jafar was to pay £500,000 to the army and navy and £120,000 to the members of council.