In many jurisdictions (USA, UK, India, EU), streaming or downloading from 123mkv is illegal under the Copyright Act.
If you absolutely cannot pay for an OTT subscription, here is the ethical hack: 123mkv mom new
Many old classic "mom" movies are available for free on YouTube via official channels (Rajshri, Goldmines, etc.). Search for Mother India (1957) or Devi (1999) legally. In many jurisdictions (USA, UK, India, EU), streaming