(iii) Two roomed tenements should in the first instance, be offered from allotment to workers whose income is between Rs. 251.00 and Rs. 350.00 per mensem." Vide Notification No. 7480 4H(8) 72/21542 dated Novem ber 7, 1972, the Chief Commissioner, Union Territory, Chand igarh, made in exercise of the powers conferred by section 24 of the Act what are called the Punjab Industrial Housing, Chandigarh (First Amendment) Rules, 1972 adding the fol lowing, ,after sub rule (2) in Rule 4 of the Rules: 330 "(3) An industrial worker shall become ineligible to retain the industrial house allotted to him from the date his income exceeds Rs. 350/ per mensem and his allotment of it shall stand cancelled with effect from that date.