I have no idea but Pokemon Indigo is a fake so i doubt anybody will.
You can catch Horseas around level 10-13 in The Underwater Zone (Indigo World Map).
You can catch Torchic in the Lavaridge Town Gym in Pokemon Indigo.
No it didn't exist in Pokemon indigo.
No
the starters have been released on the maps of pokemon indigo on this newest ver so you can catch them quite easily now
nope
you dont
it is imposible
yes
you should catch pikachu
the only problem is you cannot catch a gym leaders Pokemon !!!!
u cant . its impossible