Rabies vaccine. Day effective in human?

I want consult for rabies vaccine. Actually I, m from rural area, and previously I got dog nail scratch many times, also I many time received anti rabies vaccine. Fisrtly I got 4 vaccine (full course) dec 2012 from govt hospital. After that june 2013 3 shot of rabipur, then 2014 may and oct two time received full course (5 shot*2times) of rabipur vaccine due to dog scratch. After that 2015- 2019 another 3 time received (3shot*3times) total 9shot of rabipur.the last vaccinanation was jan 2019. Recently 10 days ago again a street puppy nail scratch on me when I played with the puppy. So I want to know what can i do till now. Again can I recive rabies vaccine? If yes, then how many shots I will receive? And other things that, a full post exposure rabies vaccine course how many day effective in human?? Who recommended previously vaccinated person can receive 2 shots of rabies vaccine 0.days and 3 days. So, what is the meaning of previous Vaccinated.?