Tech Mahindra shares tumble over 5% after lower-than-expected Q1 performance. Should you invest?

Tech Mahindra's shares fell 5.5% after Q1 PAT rose 23% YoY to Rs 851 crore, below the Rs 870 crore estimate. Revenue dropped 1% YoY but improved 1% sequentially. Brokerages gave mixed ratings: Nomura - Buy, Motilal Oswal - Neutral, Nuvama - Reduce.