The truck and bus manufacturer reported a profit of 5.61 billion rupees (S$77.1 million) for the quarter to December 31, down from 14.17 billion rupees a year earlier. The company took a one-time hit of 15.45 billion rupees, with 9.62 billion rupees tied to demerger costs and 5.74 billion rupee impact from the labour codes. Tata Motors split from the group’s passenger vehicles arm in October last year and made its trading debut as a separate entity in November. Profit excluding taxes and the one-time charges jumped 45 per cent to 23.18 billion rupees. The company’s overall sales grew 21 per cent in the October-December period, boosting revenue to 203.15 billion rupees from 168.97 billion rupees the year before.