Druk Jam

Opening the lid was quite a task.
No use trying to power it.
Some would just boil the bottle and then try to open it.
And some would try to open it by the method 'break the vacuum': A small hole in the lid, does the trick.

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Druk is the Thunder Dragon of Bhutanese mythology that appears on the Bhutanese Flag, holding jewels to represent wealth and Bhutan is Druk Yul, or Land of Druk.
- Wiki entry on Druk

Druk Jam, Squash and the whole lot of  other Druk things are produced in Samtse, Bhutan by Bhutan food products limited (BFPL).

“Bangladeshis seem to prefer tomato ketchup and tomato chilli sauce, South India like sweet corn and baked beans, North Indian states of Kashmir and Srinagar like squash, jams and juices while Assam and Bengal prefer pickles[...]”

It started as a government food preservatory factory in 1959 and in 1973 it was taken over by the Tashi group of companies in collaboration with the Bangalore based Indian company- Kissan products limited. In 1977 the collaboration with Kissan ended.