Cyient Ltd's share price fell 15% and was locked in the lower circuit after reporting a decline in net profit for Q3.The net profit for Q3 decreased to Rs 122.3 crore from Rs 179 crore in the previous quarter.Despite the drop in profit, the company experienced a 4.2% increase in revenue to Rs 1,926.4 crore.The company's margin slipped to 11% in Q3, and the decline in Ebit further impacted investor confidence.