Rating Rationale
June 05, 2023 | Mumbai
 
Indian Residential MBS Trust(Series XI)
(Originator: ICICI Bank Limited)
Rating Reaffirmed
 
Rating Action
Trust Name Details Amount Rated (Rs.Crore) Outstanding Amount (Rs.Crore)* Balance Tenure (Months)* Outstanding Credit Collateral (Rs.Crore)* Ratings/Credit Opinions
Indian Residential MBS Trust(Series XI) Series A PTCs 300.13 0.90 126 22.03 CRISIL AAA (SO) (Reaffirmed)
Note: None of the Directors on CRISIL Ratings Limited’s Board are members of rating committee and thus do not participate in discussion or assignment of any ratings. The Board of Directors also does not discuss any ratings at its meetings.
1 crore = 10 million
Refer to annexure for Details of Instruments & Bank Facilities
*As after May-23 payout

 

Detailed Rationale

CRISIL Ratings has reaffirmed its rating on Series A PTCs issued by ‘Indian Residential MBS Trust(Series XI)’ at 'CRISIL AAA (SO)'. The pool is backed by home loan receivables originated by ICICI Bank Limited (ICICI Bank; rated ‘CRISIL AAA/CRISIL AA+/Stable’).

 

The rating is based on the credit support available to the investor payouts, credit quality of underlying receivables, ICICI’s origination and servicing capabilities, the payment mechanism, and soundness of the transaction’s legal structure. The ratings are driven by the credit support available to the structure, on account of the significant amortization and healthy pool performance.

 

The transaction has a ‘par structure with timely interest and timely principal payouts promised to the investor.

 

229 months post securitization, the pool has exhibited strong collection performance with a cumulative collection ratio of 99.6% and 90+ dpd on the pool at 0.4%. This has resulted in the cash collateral fully covering the outstanding investor principal.

Key Rating Drivers & Detailed Description

  • Strengths:
  • High amortisation and credit support available in the structure
    • 229 months post securitisation (after May 2023 payouts), the pool is amortised by 99.6%, which has led to an increase in credit cover available for the future investor payouts. The existing credit collateral of Rs 22.03 crore fully covers future principal outstanding.
  • Healthy collection efficiency metrics
    • As after April 2023 payouts, the CCR stood at 99.6% and 3-month average MCR was 93.4%.

 

Weakness:

  • Basis risk in the transaction
  • There is basis risk in the transaction since the asset side yield is linked to ICICI’s RPLR while the liability side yield is fixed.

Liquidity: Strong

Liquidity is strong given that the credit enhancement available in the structure is sufficient to cover losses exceeding 1.5 times the currently estimated base shortfalls.

Rating Sensitivity factors

Upward factors

  • None

 

Downward factors

  • Credit enhancement falling below 3.0 times of the estimated base case shortfalls for all PTCs
  • A sharp downgrade in the rating of the servicer/originator
  • Non-adherence to the key transaction terms envisaged at the time of the rating.

 

CRISIL Ratings has adequately factored all these aspects in its rating analysis.

About the pool

The pool securitised comprises residential mortgage loan receivables. At the time of securitisation, the pool had weighted average net seasoning of 15 months (from first payment date). The pool was geographically concentrated with top state accounting for 37% of pool principal, with a weighted average loan-to-value ratio of 73.7% and average ticket size of Rs. 4.9 lakhs.

 

Pool Performance Summary (as after May 2023 payout)

Parameters

Indian RMBS Trust Series XI

Asset class

Residential Housing Loan Receivables

Months post securitization

229

Principal amortization as % of initial pool principal

99.7%

Cumulative Collection Ratio (CCR)

99.6%

Average Monthly Collection Ratio (MCR) over past 3 months

93.3%

Credit collateral as % of outstanding investor principal

Fully covered

Credit collateral utilisation as % of initial credit collateral

0.0%

Cumulative prepayments as % of initial pool principal

56.1%

Threshold collection ratio (TCR)

0.0%

90+ delinquency as % of initial pool principal

0.4%

180+ delinquency as % of initial pool principal

0.4%

 

Rating Assumptions

To assess the base case collection shortfalls for the transaction, CRISIL Ratings has analysed the performance of rated securitisation transactions while arriving at the base case loss scenario. 

CRISIL Ratings has also factored in pool specific characteristics and estimated the base case peak shortfalls in the pool at 2-4% of pool cash flows.

  • The pool consists of loans at a floating rate of interest linked to retail prime lending rate (RPLR) of ICICI Bank Limited whereas the investor yield is fixed. At present, there is a comfortable gap between the pool yield and the yield promised to the investor. CRISIL has assumed various interest rate scenarios to adequately factor in the basis risk of the transaction.
  • A stressed monthly prepayment rate of 1.5-2.5% has been assumed as part of the analysis.
  • CRISIL Ratings does not envisage any risk arising on account of commingling of cash flows since CRISIL Ratings’ short term rating of servicer is ‘CRISIL A1+’
  • CRISIL Ratings has adequately factored in the risks arising on account of counterparties (servicer, collection and payout bank account, credit collateral provider, bank with which fixed deposit is placed and trustee) in the transaction.

Counterparty details

Capacity

Counterparty Name

Counterparty Rating/Track record

Effect on credit ratings in case of non-performance

Originator & Seller

ICICI Bank Ltd

Rated ‘CRISIL AAA/CRISIL AA+/Stable’

No effect.

Servicer

ICICI Bank Ltd

Rated ‘CRISIL AAA/CRISIL AA+/Stable

Significant effect, because of change in servicing quality and replacement cost of servicer. However, currently CRISIL Ratings does not envisage the need for replacement. Under certain circumstances, the trust or investor has the right to change the servicer by providing an intimation to CRISIL Ratings.

Trustee

IDBI Trusteeship Services Limited

Adequate track record

Negligible effect. Can be replaced at minimal cost.

About the Originator

Promoted by the erstwhile ICICI Ltd, ICICI Bank was incorporated in 1994. In 2002, ICICI Ltd was merged with ICICI Bank. In August 2010, ICICI Bank acquired Bank of Rajasthan, enhancing its presence in north and west India. The bank had consolidated asset base of Rs 17.4 lakh crore as on June 30, 2022, with advances of Rs 9.6 lakh crore. On standalone basis, asset base and advances were Rs 14.2 lakh crore and Rs 9.0 lakh crore, respectively. The advances mix, as on June 30, 2022, consisted of 62% retail loans, 6% business banking, 4% SME loans, 22% domestic corporate and 5% overseas advances.

 

Standalone profit after tax (PAT) was Rs 23,339 crore in fiscal 2022, against Rs 16,193 crore in the previous fiscal. At the consolidated level (with subsidiaries and other associate entities), reported PAT was Rs 25,510 crore in fiscal 2022, against Rs 18,384 crore previous fiscal.

 

For the first quarter ended June 30, 2022, ICICI Bank reported standalone PAT of Rs 6,905 crore, against Rs 4,616 crore in the corresponding period of the previous fiscal. At consolidated level (with subsidiaries and other associate entities), the bank reported PAT of Rs 7,385 crore for the first quarter ended June 30, 2022, against Rs 4,763 crore in the corresponding period previous fiscal.

 

Key Financial Indicators

As on / for nine months ended June 30

Unit

2022

2021

Total assets

Rs crore

1,742,777

1,536,731

Total income (net of interest expenses)

Rs crore

28,130

25,285

Profit after tax

Rs crore

7,385

4,763

Gross NPA*^

%

3.4

5.2

Overall capital adequacy ratio*

%

18.04

18.71

Return on assets (annualised)

%

1.98

1.54

*on a standalone basis for the bank

^as a % of customer assets

Past rated pools

CRISIL Ratings has outstanding ratings on two transactions originated by ICICI. CRISIL Ratings receives monthly performance reports pertaining to all the transactions.

Any other information: Not applicable

Note on complexity levels of the rated instrument:
CRISIL Ratings` complexity levels are assigned to various types of financial instruments and are included (where applicable) in the 'Annexure - Details of Instrument' in this Rating Rationale.

CRISIL Ratings will disclose complexity level for all securities - including those that are yet to be placed - based on available information. The complexity level for instruments may be updated, where required, in the rating rationale published subsequent to the issuance of the instrument when details on such features are available.

For more details on the CRISIL Ratings` complexity levels please visit www.crisilratings.com. Users may also call the Customer Service Helpdesk with queries on specific instruments.

Annexure - Details of Instrument(s)

Type of Instrument

Rated Amount

(Rs.Cr)

Date of Allotment

Maturity

Date#

Coupon Rate (%)

p.a.p.m

Complexity level

Credit collateral

(Rs Cr)

Outstanding Ratings/ Credit Opinions

Series A PTCs

100.03

19-Dec-03

10-Nov-33

7.0%

Highly Complex

22.03

CRISIL AAA (SO)

#Indicates door to door tenure. Actual tenure will depend on the level of prepayments in the pool and movement in interest rates.

Annexure - Rating History for last 3 Years
  Current 2023 (History) 2022  2021  2020  Start of 2020
Instrument Type Outstanding Amount Rating Date Rating Date Rating Date Rating Date Rating Rating
Series A PTCs LT 0.9 CRISIL AAA (SO) 15-03-23 CRISIL AAA (SO) 13-12-22 CRISIL AAA (SO) 31-12-21 CRISIL AAA (SO) 30-06-20 CRISIL AAA (SO) CRISIL AAA (SO)
      --   -- 17-06-22 CRISIL AAA (SO) 30-06-21 CRISIL AAA (SO)   -- --
All amounts are in Rs.Cr.
Criteria Details
Links to related criteria
CRISILs rating methodology for RMBS transactions
Evaluating risks in securitisation transactions - A primer
Legal analysis in structured finance transactions

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