The decision to create a Haryana Prabandak Committee had to be enacted by the state assembly, so a politcians would have to be involved.
If they can have a committee for Delhi then I fail to see why those in Haryana should be denied similar rights.
Maybe if the Akalis of yesteryear had no been so hungry for power they would have got these northern area of what is now Haryana included in Punjab. So desperate were these akalis for power that they <banned word filter activated> on the Sikhs in what is now north haryana.