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SCHEDULE OF ALLOWANCE FOR CREDIT LOSS OF PROMISSORY NOTES (Details)	12 Months Ended
	Mar. 31, 2025 HKD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 HKD ($)	Mar. 31, 2023 HKD ($)
Promissory Notes Receivables
Balance at April 1,
Allowance for expected credit losses	47,123	6,041
Exchange translation difference
Balance at April 1,	$ 47,123	$ 6,041

X

- Definition

Allowance for doubtful promissory notes receivable.

+ References

No definition available.

+ Details

Name:	ROMA_AllowanceForDoubtfulPromissoryNotesReceivable
Namespace Prefix:	ROMA_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Allowance for promissory notes receivable exchange difference.

+ References

No definition available.

+ Details

Name:	ROMA_AllowanceForPromissoryNotesReceivableExchangeDifference
Namespace Prefix:	ROMA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Allowance for promissory notes receivable period increase decrease.

+ References

No definition available.

+ Details

Name:	ROMA_AllowanceForPromissoryNotesReceivablePeriodIncreaseDecrease
Namespace Prefix:	ROMA_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ROMA_DisclosurePromissoryNotesReceivablesAbstract
Namespace Prefix:	ROMA_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration