Correct option is B
The observer who recorded the spectacular, half-mile-long firework display at the wedding of Dara Shukoh (in February 1633) was: Peter Mundy
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Peter Mundy was an English traveler and merchant who was present in Agra at the time of Prince Dara Shukoh's wedding to his cousin, Nadira Banu Begum, in 1633.
He is the source for the specific, detailed description of the awe-inspiring fireworks, which he recorded in his travelogue.
Mundy's account states that the fireworks were placed on the Strand by the riverside, under the castle wall, and covered a space of "about half a mile in Compasse att least." He also mentions that the fireworks were shaped like elephants and giants.
The total wedding cost of 32 lakh rupees (a colossal sum for the time) is a figure often cited in both Mughal chronicles (Padshahnama) and European accounts, underscoring the immense favour Shah Jahan showed to his eldest son.