Pls tell kalra is which Punjabi cast?

The Kalra surname is commonly associated with the Arora or Khatri communities in the Punjab region of India and Pakistan. Both the Arora and Khatri communities are considered to be prominent trading and business communities in Punjab. The Kalra surname is also found among the Sikh community, particularly in the states of Punjab and Haryana in India. The Kalras have a rich cultural heritage and have contributed significantly to the social, political, and economic development of the Punjab region.