Consider the following Statements: After the decline of the Abbasid Dynasty, they were succeeded by Turkic Empires including the Mamluks, Seljuks, and Delhi Sultanates. Iqtaa was the most important system of land revenue. Delhi-Shimla-Manali is popularly known as Golden Triangle. Which of the following statement(s) is/are true?

The question involves understanding the historical context of the Abbasid Dynasty and the systems of governance that followed its decline. The Abbasid Dynasty, which was a significant Islamic caliphate, ruled from the 8th to the 13th century. After its decline, several Turkic Empires emerged, including the Mamluks, Seljuks, and Delhi Sultanates. These empires were characterized by their military prowess and administrative systems, which often included the Iqtaa system.

The Iqtaa system was a significant land revenue system used during the period of the Turkic Empires. It involved the granting of land to military officers and administrators in exchange for military service and administrative duties. This system was crucial for maintaining the stability and governance of these empires, as it provided a means of rewarding and controlling the military and administrative elite.

However, the third statement in the question is incorrect. The term "Golden Triangle" is not associated with Delhi, Shimla, and Manali. The Golden Triangle typically refers to a tourist circuit in India that includes the cities of Delhi, Agra, and Jaipur. This circuit is known for its historical and cultural significance, including the Taj Mahal in Agra and the forts and palaces in Jaipur.

Therefore, the correct answer is Option B, which states that only the first and second statements are true. The first statement correctly identifies the succession of the Abbasid Dynasty by Turkic Empires, and the second statement accurately describes the Iqtaa system as a significant land revenue system. The third statement is false, as the Golden Triangle does not include Delhi, Shimla, and Manali.