I'm not sure about availability in India, but it probably makes sense to first check which hardware wallets support the altcoins you want to store and then go from there.

Trezor:
https://trezor.io/coins/

Ledger:
https://www.ledger.com/supported-crypto-assets

That's just two of many available hardware wallets these days, but those are the ones I personally am familiar with. Maybe someone else can chime in with other hardware wallets.

Either way it is recommended to purchase hardware wallets directly from the vendors or at least from an official reseller (I believe those should be listed on the websites of the respective hardware wallet). Avoid market places like Amazon or Ebay as on those sites you may never know whether you got a legit wallet or one that's been tempered with.