Database and SF9+ suggestions (ev=±0.1): 2...Nf6, e6, c5, Nc6, g6. Cochrane always played 2...c5, so let's call it Old Indian attack: Cochrane defense:
Mohishunder always transposed to the King's Indian Attack by playing 3. g3. But it's a different story. In this thread I wanna discuss other options. SF9+ suggests 3. e4 as the best move (ev=+0.0, d=26).
It was systematically used by Mohishunder:
http://www.chessgames.com/perl/chessgame?gid=1547321
http://www.chessgames.com/perl/chessgame?gid=1547331
http://www.chessgames.com/perl/chessgame?gid=1547341
http://www.chessgames.com/perl/chessgame?gid=1547401
http://www.chessgames.com/perl/chessgame?gid=1547405
http://www.chessgames.com/perl/chessgame?gid=1547408
http://www.chessgames.com/perl/chessgame?gid=1547423