In the context of Indian national movement the Simla Manifesto of 1838 is associated with ........

Ancient and Medival History Later Mughals and Advent of Europeans

In the context of Indian national movement, the Simla Manifesto of 1838 is associated with:

the demands for ensuring Indianization of Civil Services.

the formal declaration of Doctrine of Lapse as British policy for annexation of Princely states.

the British intervention in Afghanistan which led to the first Anglo Afghan War.

the setting up of Commission for redressal of grievances of peasants in Deccan region.

The Governor-General of India, Lord Auckland, paranoid about Russian incursion or influence north of India, the “Jewel in the Crown of the British Empire”, issued what was known as the Simla Manifesto in 1838. The Simla Manifesto stated that the welfare of India required that the British have on their western frontier a trustworthy ally.
The manifesto stated that in order to ensure the welfare of India, the British must have a trustworthy ally on India's western frontier. While the Britishers argued that their troops were merely supporting Shuja's (Afghanistan ruler) small army in retaking what was once his throne, the actual reason was to ensure the establishment of a British-friendly throne. Although the Simla Manifesto stated that British troops would be withdrawn as soon as Shuja was installed in Kabul, Shuja's rule depended entirely on British arms to suppress the rebellion and on British funds to buy the support of tribal chiefs. The British denied that they were invading Afghanistan, instead claiming they were merely supporting its legitimate Shuja government "against foreign interference and factious opposition."
Hence option (c) is the correct answer.