Arrows limit for some Maharathis :-
Angito matra ( multiple ) arrows ability:
Arjun - 60,000
Dorna - 80,000
Karna - 80,000
Bhisma - 100,000
Nakul & Shadev - 5,000 each
Virat, Dhrustdhuman, Shikandi - 4,000 each
Abhimanyu - 40,000
Iravan - 300,000
Babrauvahan - 1,000,000
Tamradhwaj - more than 1,000,000 because he defeated Babrauvahan.
Krishna, Balram - as many as desired.
This information is from Gujarti Version of Mahabharta.
Thanks to Sanjay Patel for posting this on orkut.