The central bank, which raised interest rates on June 16 for the 10th time since the beginning of last year to fight surging costs, has indicated it will continue to raise rates. A slew of festivals in the second half, when demand for cars and homes usually climb, may not be enough to revive steel sales, said Ghanshyam Das Agarwal, chairman at Adhunik Metaliks Ltd, a Kolkata-based maker of steel products for automobiles and power plants.