Tracks Indian auto sales in detail by segment (passenger vehicles, two-wheelers, three-wheelers, commercial vehicles, tractors) and finds the stocks benefiting. Use when the user asks "auto sales", "monthly auto numbers", "auto sales growth", "which auto stocks are benefiting", or "SIAM/FADA data", or wants the 1M/1Y/3Y auto sales trajectory. For the full sector thesis, use auto-sector-analysis.