India, Nov. 10 -- At least 16,827 non-CNG and non-electric vehicles that were not registered in Delhi were turned back from the city's borders during the first nine days of a ban on non-Delhi vehicles below BS-VI emission standards, which began on November 1 as part of the winter action plan, senior traffic police officers said.

Data shared by the Delhi Traffic Police showed that authorities stopped and checked 3,877 vehicles between November 1 and 9, an average of at least 8,208 a day, and turned back 16,827 of them, or nearly 1,870 a day. On the other hand, 696 vehicles were fined for violating the no-entry ban rules. The remaining vehicles were granted entry as their verification showed them meeting the norms.

The entry of non-Delhi-...