The correct option is B
1, 2 and 3
Explanation:
Pair 1 is correctly matched: Lower Palaeolithic sites: Sohan valley, Indus; Central India (Bhimbetka), Eastern Ghats, Rajasthan (Didwana, Nagaur).
Pair 2 is correctly matched: Middle Palaeolithic sites: Belan Valley (Uttar Pradesh), Didwana, River Valleys of Son, Narmada and Tungabhadra.
Pair 3 is correctly matched: Upper Palaeolithic sites: Near water sources like Patne, Maharashtra.