Municipal Corporation Of Delhi — a mental dog in our locality

Address:

Nangal raya delhi cantt,near sayogi park,street-lokvir gali, New Delhi, Delhi, 110046

Dear sir/man
From mid of january to till now there was a dog who always bark on students, bicycle, bikers or.
I'm coming from my classes after 9:30 dog usually bark but that day he attack on us and which hurts me and friend. From 17 feb my cbse board exam is going to start and i'm not well. Dog is getting aggressive day by day. How can we study or feel save.
Plz help us sir.