Hello! I was trying to add funds to my apple ID via net banking SBI. The payment had been deducted from my account but it’s not in my apple wallet.

Hi vikashbansal90

Welcome to the Apple Community.

Wondering which account you added the funds to:

ie ... Apple ID Balance (1) for Apple services, music, apps etc.

or

Apple Pay's "Apple Cash" balance (2) for use in the Wallet app.

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(1) Your Apple ID is the account you use to access Apple services,

like the App Store, Apple Music, iCloud, iMessage, FaceTime, and more.

It includes the email address and password you use to sign in,

as well as the contact, payment, and security details you use across Apple services. 

Apple support have articles online (click the blue links below) that may help with your Apple ID account.

Apple ID balance isn’t available in all countries or regions

Add money to your Apple ID balance - Apple Support

Check your Apple ID balance – Apple Support (AU)

What you can buy with your Apple ID balance – Apple Support (AU)

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(2) If you have set up Apple Cash, you can add money to your balance using the debit or prepaid cards

that you already use with Apple Pay in Wallet

Apple Cash - Official Apple Support

How to set-up Apple Cash

Send and receive money with Apple Cash – Apple Support (AU)

Use Apple Cash or a debit card in the Wallet app to send and receive money in the Messages app.

Add money to Apple Cash - Apple Support

See your Apple Cash transactions - Apple Support

Find your Apple Cash card info

• • On your iPhone, open the Wallet app, tap your Apple Cash card, then tap the More button .

From here, you can see your balance, the Privacy Policy, and the Terms and Conditions.

To make sure that your balance is up to date, you need a cellular or Wi-Fi connection.

All the best :-)