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University Grants Commission (UGC) National Eligibility Test (NET) Dates
University Grants Commission (UGC) conducts exams 2 times yearly for selecting college & university level lectureship and for award of Junior Research Fellowship (JRF) for Indian nationals for ensuring minimum standards for the entrants in the teaching profession and research.
.net - What does CultureInfo.InvariantCulture mean - Stack Overflow
The CultureInfo.InvariantCulture property is used when you aren't sure ahead of time what culture format your dates and decimal / currency values will be in.
The default value is CultureInfo("en-US") so if you are working exclusively in American English, then you don't need to worry about it.
CultureInfo Class (System.Globalization)

Provides information about a specific culture (called a locale for unmanaged code development). The information includes the names for the culture, the writing system, the calendar used, and formatting for dates and sort strings.