The correct pair of Indian petroleum producing area and its location is

Concept

A petroleum-producing area is identified by its sedimentary basin or oilfield and the geographic region in which exploration or production occurs.

For a ‘more than one’ question, evaluate each named area–location pair independently, then count how many pairs are valid.

Application

1. Surma Valley is documented in India’s official hydrocarbon history as a petroleum exploration area associated with Assam.

2. Lunej-1 is the historic hydrocarbon discovery in the Cambay region of Gujarat.

3. The Krishna–Godavari (KG) Basin includes onshore and offshore petroleum tracts along India’s east coast and the adjoining Bay of Bengal.

Contrast and cross-check

• The Surma Valley–Assam, Lunej Area–Gujarat, and KG Basin–Bay of Bengal pairs are all valid, so the count of valid pairs is three.

• Therefore, the set-level choice ‘More than one of the above’ is the answer; ‘None of the above’ cannot apply.