Tech Mahindra Q3 result preview: Tech Mahindra is expected to see a sequential decline in quarterly revenue due to weakness in the communication vertical segment and higher furloughs. Revenue from operations is expected to decline between 1-1.4% quarter-on-quarter. Margins are likely to expand on a QoQ basis due to portfolio reshuffling. Deal wins are expected to remain muted. Investors should watch out for deal wins, pipeline from the communication vertical, pricing scenario, attrition, and outlook on growth.