As you have learnt C D E... In India it is Sa Re Ga Ma.... All these notes are derived from the voice of some animals and birds: Comparision of CDEF to SaReGaMa:
C = Sa= सा Full name Shadaj षडज It is derived from voice of Peacock मोर
D = Re= रे Full name Rishabh रिषभ It is derived from voice of Papiha पपीहा
E = Ga= ग Full name Gandhar गन्धार It is derived from voice of Goat बकरा
F = Ma= म Full name Madhyam मध्यम It is derived from voice of Crane (बगुला )
G = Pa= प Full name Pancham पंचम It is derived from voice of Koccoo ( Koyal कोयल )
A = Dha= ध Full name Dhaiwat धैवत It is derived from voice of Frog दादुर या मेंढक
B = Ni= नि ( नि =नी) Full name Nishad निषाद It is derived from voice of Elephant हाथी
C = Sa= सां (Higher Sa)
Play Twinkle Twinkle in Sa Re Ga Ma as I play.
C# = Re = रे
D# = Ga = ग
F# = Ma*= मे
G# = Dha= ध
A# = Ni = नि
All notes underlined are called Komal Swar as Komal Re Komal Ga Komal Dha Komal Ni. One note Ma* is called Tivra Ma
Sequence of the notes are
C C# D D# E F F# G G# A A# B C'
Sa Re Re Ga Ga Ma Ma' Pa Dha Dha Ni Ni Sa'
सा रे रे ग ग म मे प ध ध नि नि सां
Sa and Pa are Shudha Swar they do not have any Komal or Tivra. They are fixed notes as per North Indian music tradition.
Yes what I am telling is as per North Indian music system