Hi , Two Days Ago I Was On My Bike

Hi ,
two days ago i was on
my bike suddenly a street dog teeth touched my leg ,due t o my jeans i got very small scracth on my leg there was no blood come out from that scratch place ,but in the next morning i checked my leg ,and very small part of skin got removed and little brownish cloour taken the place in that area,than i taken a tetanus injection in the same morning.

now i just wanted to know is it necessary to take the anti rabies injection, if it is necessary am i too late to take this anti rabies injection.please advise