The correct option "Neither 1 nor 2" is accurate because, over the past decade, India's tax revenue as a percent of GDP has shown variability, reflecting economic challenges and reforms aimed at improving tax compliance, rather than consistent growth. Furthermore, while fiscal deficit levels have fluctuated, they have not shown a steady increase; rather, fiscal consolidation efforts and expenditure management have aimed at stabilizing and reducing the deficit in response to changing economic conditions. Understanding these trends is crucial for grasping the complexities of India's fiscal policies and their socio-economic implications, which is a focus in UPSC preparations.