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The PCI Data Security Standard 3.1 recommends disabling “early TLS”:
“SSL and early TLS are not considered strong cryptography and cannot be used as a security control after June 30, 2016 [without a mitigation strategy for disabling it before June 2018].
The best response is to disable SSL entirely and migrate to a more modern encryption protocol, which at the time of publication is a minimum of TLS v1.1, although entities are strongly encouraged to consider TLS v1.2.”
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As the response above suggests, there are many distinguished writers belonging to the Indian diaspora. In order to write an essay on the topic, you need to narrow your subject matter. There are several ways you could narrow your focus:
Chronological: you could write an essay about the origins of Indian diaspora literature or a specific period within it.
Linguistic: Although much diaspora literature is in English, you could look at the decisions of diaspora writers to write in the languages of the countries to which they migrated or whether to use Indian dialects.
Ethnic/caste: You could choose a focus on a regional tradition, such as the Punjabi diaspora, or a caste one -- a great deal has been published about dalit literature.
Region: How does the Indian diaspora literature from Africa compare with that in Canada? The US? Britain? Could you focus on one area or region?
Religion: Another way to narrow focus is to choose a religious tradition -- e.g. the Indian Islamic diaspora.
Overall, for a coherent essay, you might want to find one theme that seems to predominate in one particular type of Indian diaspora literature and make that your focus.