राजस्थान के निम्नलिखित पुरातात्विक स्थलों को उनके पहले बड़े उत्खनन/अन्वेषण के वर्ष के आधार पर कालानुक्रमिक क्रम में (सबसे पहले से सबसे बाद में) व्यवस्थित कीजिए: a. बागोर b. कालीबंगा c. गिलूंड d. आहड़

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?