Prepaid Payment Instruments (PPIs)
Ans. These PPIs are issued by an entity for facilitating the purchase of goods and services from that entity only. Cash withdrawals are not permitted. These instruments cannot be used for payment or settlement for third party services. The issuance or operation of such instruments is not classified as a payment system requiring approval / authorisation by RBI and are, therefore, not regulated or supervised by RBI.
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For calculating the index ratio for a specific date, daily reference WPI values would be linearly interpolated using ‘Ref WPI’ for the first day of the calendar month and the first day of the following calendar month.
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The formula for computing the reference WPI for a particular day is as under:

[Ref WPIM = Ref WPI for the first day of the calendar month in which Date falls, Ref WPIM+1 = Ref WPI for the first day of the calendar month following the settlement date, D = Number of days in month (e.g. 31 days in August), and t= settlement date (e.g. August 6)]
- An example of daily reference WPI computed through interpolation is furnished below.
Date |
Ref WPI |
T-1 |
D |
Ref WPI |
1-May-13 |
168.8 |
|
||
2-May-13 |
1 |
31 |
168.85 |
|
3-May-13 |
2 |
31 |
168.90 |
|
4-May-13 |
3 |
31 |
168.95 |
|
5-May-13 |
4 |
31 |
168.99 |
|
6-May-13 |
5 |
31 |
169.04 |
|
7-May-13 |
6 |
31 |
169.09 |
|
8-May-13 |
7 |
31 |
169.14 |
|
9-May-13 |
8 |
31 |
169.19 |
|
10-May-13 |
9 |
31 |
169.24 |
|
11-May-13 |
10 |
31 |
169.28 |
|
12-May-13 |
11 |
31 |
169.33 |
|
13-May-13 |
12 |
31 |
169.38 |
|
14-May-13 |
13 |
31 |
169.43 |
|
15-May-13 |
14 |
31 |
169.48 |
|
16-May-13 |
15 |
31 |
169.53 |
|
17-May-13 |
16 |
31 |
169.57 |
|
18-May-13 |
17 |
31 |
169.62 |
|
19-May-13 |
18 |
31 |
169.67 |
|
20-May-13 |
19 |
31 |
169.72 |
|
21-May-13 |
20 |
31 |
169.77 |
|
22-May-13 |
21 |
31 |
169.82 |
|
23-May-13 |
22 |
31 |
169.86 |
|
24-May-13 |
23 |
31 |
169.91 |
|
25-May-13 |
24 |
31 |
169.96 |
|
26-May-13 |
25 |
31 |
170.01 |
|
27-May-13 |
26 |
31 |
170.06 |
|
28-May-13 |
27 |
31 |
170.11 |
|
29-May-13 |
28 |
31 |
170.15 |
|
30-May-13 |
29 |
31 |
170.20 |
|
31-May-13 |
30 |
31 |
170.25 |
|
1-June-13 |
170.3 |
|
Ans : Yes NBFCs and NBFC-IFCs need to take prior approval from the Reserve Bank for sponsoring IDFs.
Reserve Bank of India (RBI) has authorised various types of payment systems to enable transfer of funds. You may refer to the following link on RBI website to get overview of various payment systems available in India:
Page Last Updated on: December 11, 2022