Seeded 15 and down below in the draw, Joshna had a bye in the first round but did well in the next late on Tuesday when she downed English challenger girl Millie Tomlinson 12-10, 11-3, 11-9.
This is an event where some of the world's best players get to play and to progress is a big achievement. Joshna will face the sixth seeded Sarah-Jane Perry of England late on Thursday.
However, Ghosal met with an unexpected reverse after a bye in the first round, losing 11-9, 11-4, 7-11, 11-6 to fifth seeded Egyptian Karim Abdel Gawad.
Ramit was unlucky to confront the experienced James Willstrop in the very first round and lost 11-8, 11-8, 11-1.