While originally produced as a high-budget Netflix Original , its availability in Hindi and the legal ways to watch it have updated significantly over the years.
The safest and most reliable way to "download" the series is through the official Netflix app download feature :
You need an active subscription (Standard or Premium plans) and the Netflix app on a supported mobile device or tablet. Streaming Alternatives in India
While the series is primarily a Netflix show, some regions have seen it listed for purchase, though streaming is mostly exclusive to Netflix.
Season 1 (10 episodes) and Season 2 (10 episodes) are both available for offline download.