Alphageo (India) LtdAlphageo (India) Ltd.NSE:ALPHAGEOsushithengoorAlphageo (India) Ltd is India's leading private-sector onshore seismic survey provider, serving a key role in national oil, gas, and mineral exploration. The company operates a asset-backed service model with near-zero debt. While volatile on a quarterly basis due to project-based execution and weather cycles, its deep domain expertise and positioning in government initiatives (Mission Anveshan) form its core investment narrative.