Consider the following statements with regard to the ancient Kalibangan civilization: (a) The ancient Drishadvati and Saraswati river valleys cradled this civilization. (b) This site is situated in Hanumangarh district. (c) Amalanand Ghosh was the first to identify and report this site in 1952. (d) During 1961-1969, B.B. Lal and B.K. Thapar undertook excavation work here. Choose the correct option:

Assertion (A): Rajasthan is recognized as a significant center for ancient world civilizations, with prominent archaeological remains discovered at sites such as Kalibanga and Ganeshwar Tila. Reason (R): The historical drainage systems of the Saraswati and Drashaddhati rivers flourished in the region in ancient times, providing the foundation for these early settlements.

Consider the following pairs of ancient archaeological sites in Rajasthan and their locations: 1. Tilwara : Luni Basin2. Ahar : Udaipur3. Kalibangan : Sikar How many of the above pairs is/are correctly matched?