Om du följer länken till Timatic som anges i den artikeln och fyller i formuläret, inklusive Kuba som destination, får du det här:
The following are exempt from holding a visa:
Nationals of India with a visa issued by Canada, USA or an EU Member state . They must also hold a Tourist Card (Tarjeta del Turista) issued to visitors traveling as tourists.
Nationals of India with a work or student permit issued by Canada, USA or an EU Member state . They must also hold a Tourist Card (Tarjeta del Turista) issued to visitors traveling as tourists.
Observera att Storbritannien (eventuellt) lämnar EU den 29 mars 2019, så det här kanske inte längre gäller för UK-viseringar efter det datumet.