The salary structure for an Indian Administrative Service (IAS) officer varies based on experience and rank, starting at a basic pay of around ₹56,100 in level 10 of the 7th Pay Commission. As officers progress through ranks, the pay can significantly increase, with senior positions like the Secretary receiving around ₹2,25,000 per month. Additionally, IAS officers receive various benefits, including allowances for housing, travel, and medical expenses. This attractive compensation underscores the importance of these roles in public administration.