Answer : 3. "इसका उल्लेख संविधान की दूसरी अनुसूची में है"
Explanation :

The salary of President of India is discussed here. On September 11, 2008, the Indian government increased the president's salary to 1.5 lakh rupees (approximately to 3.9 lakh in 2022). In India's 2018 Union budget, this compensation was increased to 5 lakh (equivalent to 5.9 lakh in 2023).