Borrowings inception date.

No definition available.

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Namespace Prefix:	GCDT_
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- Definition

The repayment terms of borrowings

+ References

No definition available.

+ Details

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- Definition

The security of borrowing

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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Balance Type:	na
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- Definition

The amount of bank balances held at central banks other than mandatory reserve deposits. [Refer: Mandatory reserve deposits at central banks]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard
-URIDate 2025-03-27

+ Details

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Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Details

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Balance Type:
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- Details

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SCHEDULE OF DETAILS OF BANK AND OTHER BORROWINGS (Details) - HKD ($)	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Loan 1 [member]
IfrsStatementLineItems [Line Items]
Principal	$ 3,088,800
Inception date	18/2/2021
Maturity date	18/1/2030
Repayment terms	Repayable on demand
Security	Government Guarantee and director’s personal guarantee
Outstanding Amount	$ 1,902,467	$ 1,941,641	$ 2,359,432
Loan 1 [member] \| Bottom of range [member]
IfrsStatementLineItems [Line Items]
Interest rate p.a	2.75%
Loan 1 [member] \| Top of range [member]
IfrsStatementLineItems [Line Items]
Interest rate p.a	3.00%
Loan 2 [member]
IfrsStatementLineItems [Line Items]
Principal	$ 20,000,000
Interest rate p.a	10.00%
Inception date	17/7/2017
Maturity date	17/6/2029
Repayment terms	Repayable on demand
Security	Not secured
Outstanding Amount		20,000,000	20,000,000
Loan 3 [member]
IfrsStatementLineItems [Line Items]
Principal	$ 2,000,000
Interest rate p.a	5.00%
Inception date	15/5/2010
Maturity date	On demand
Repayment terms	Repayable on demand
Security	Director’s personal patent right
Outstanding Amount		2,000,000	2,000,000
Loan 4 [member]
IfrsStatementLineItems [Line Items]
Principal	$ 3,610,000
Interest rate p.a	5.00%
Inception date	9/3/2018
Maturity date	On demand
Repayment terms	Repayable on demand
Security	Not secured
Outstanding Amount		3,610,000	3,610,000
Loan 5 [member]
IfrsStatementLineItems [Line Items]
Principal	$ 990,000
Interest rate p.a	5.00%
Inception date	9/4/2018
Maturity date	On demand
Repayment terms	Repayable on demand
Security	Not secured
Outstanding Amount		990,000	990,000
Loan 6 [member]
IfrsStatementLineItems [Line Items]
Principal	$ 1,004,400
Inception date	9/7/2021
Maturity date	9/6/2030
Repayment terms	Repayable on demand
Security	Government Guarantee and director’s personal guarantee
Outstanding Amount	$ 682,014	682,014	828,543
Loan 6 [member] \| Bottom of range [member]
IfrsStatementLineItems [Line Items]
Interest rate p.a	2.75%
Loan 6 [member] \| Top of range [member]
IfrsStatementLineItems [Line Items]
Interest rate p.a	3.00%
Loan 7 [member]
IfrsStatementLineItems [Line Items]
Principal	$ 3,000,000
Inception date	21/5/2025
Maturity date	21/5/2028
Repayment terms	Repayable on demand
Security	Director’s personal guarantee
Outstanding Amount	$ 2,107,036
Loan 7 [member] \| Bottom of range [member]
IfrsStatementLineItems [Line Items]
Interest rate p.a	2.84%
Loan 7 [member] \| Top of range [member]
IfrsStatementLineItems [Line Items]
Interest rate p.a	5.73%
Loan 8 [member]
IfrsStatementLineItems [Line Items]
Principal	$ 2,500,000
Interest rate p.a	6.25%
Inception date	14/1/2026
Maturity date	13/1/2031
Repayment terms	Repayable on demand
Security	One unit of BocaSL Adiabatic Air Cooled Magnetic Oil Free Centrifugal Chiller (Model: BOSL-300)
Outstanding Amount	$ 2,287,378