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BEGIN:VTIMEZONE
TZID:Asia/Kolkata
BEGIN:STANDARD
DTSTART:20000101T000000
RRULE:FREQ=YEARLY;BYMONTH=1
TZNAME:IST
TZOFFSETFROM:+0500
TZOFFSETTO:+0500
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BEGIN:VEVENT
UID:20260621T105850Z - 23665@OCM
DTSTART;TZID=Asia/Kolkata:20260430T203000
DTEND;TZID=Asia/Kolkata:20260430T220000
CREATED:20260621T105850Z
DTSTAMP:20260621T105850Z
LOCATION:My Company\, India
SUMMARY:AP Calculus - Aindri
END:VEVENT
END:VCALENDAR