(a) Where and when was the world’s first oil well drilled?
(b) Where and when was oil first struck in India?

(a) The world’s first oil well was drilled in Pennsylvania, USA, in 1859.

(b) At Makum in Assam, in 1867, oil was stuck in India. Oil is found in Assam, Gujarat, Mumbai High and in the river basins of Godavari and Krishna.