(a) Regional drainage pattern for the western continental margin of the Indian plate. Dotted lines are the paleochannels of the Vedic Saraswati River after Ghose et al.11 and Kar and Ghose48. The box represents the area shown in b. Location of the Dhordo core site and river sediment samples analyzed are also shown. (b) Geomorphic setting of the Great Rann of Kachchh (GRK) basin with surrounding hinterland and core locations. NPF- Nagar Parkar Fault, IBF- Island Belt Fault, KMF- Kachchh mainland Fault, KHF- Katrol hill Fault, NKF- North Kathiawar Fault, SWF- South Wagad Fault, P- Pachham Island, K-Khadir Island, B- Bela Island and C- Chorar Island. Core location: DH- Dhordo core raised from central GRK basin. Maps were prepared using a licensed copy of Ocean Data49 View (https://odv.awi.de/).