HCLTech , India's third-largest software company, posted a smaller-than-expected December-quarter revenue on Monday, with clients holding back discretionary tech spending amid macroeconomic uncertainties.

The information technology major's revenue rose 3.6% sequentially to Rs 29,890 crore in the October-December period, as compared to Rs 28,862 in the preceding quarter. That compares with the Rs 30,036 crore consensus estimate of analysts tracked by Bloomberg.

Shares of HCLTech plunged nearly 10% on Tuesday, set for their worst session since September 2015, after India's No. 3 software services provider missed quarterly revenue estimates and raised only the lower end of its full-year sales outlook.

Indias third-largest IT services provider, saw its shares fall on Tuesday following third-quarter results that missed revenue forecasts. The company reported a 5.1% rise in