NEW DELHI, Jan. 17 -- Indian passenger vehicle sales dipped in December despite a low base in the year-ago month, indicating that the sector's woes are far from over amid the current economic slowdown.

Factory despatches of passenger vehicles decreased by 1.24% year-on-year to 235,786 units due to an 8.4% decline in passenger car sales to 142,126 units, according to data released by the Society of Indian Automobile Manufacturers (SIAM).

Manufacturers cut production because of subdued retail demand, as well as to trim their inventory of BS-IV-compliant variants, ahead of the introduction of the more stringent BS-VI emission norms from 1 April. Routine maintenance shutdowns, including by market leader Maruti Suzuki India Ltd, also contribut...