The spelling of the word "Sindya" can be explained using the International Phonetic Alphabet (IPA). The "s" sound is represented by the IPA symbol /s/, the "i" sound is represented by /ɪ/, the "n" sound is represented by /n/, the "d" sound is represented by /d/, the "y" sound is represented by /j/, and the "a" sound is represented by /ɑ/. Therefore, the IPA transcription of "Sindya" is /ˈsɪndjɑ/. It is important to note that this spelling may vary depending on the language and context in which the word is used.