Himachal Road Transport Corporation [HRTC] — Am complain about conductor irresponsibility

Toady my sister travel from una to mullana via chandigarh by hrtc bus whose bus no is HP 72 B6623 and conductor name is Mr. Suresh
I want to tell about conductor and that he put my sister's two bag in bus luggage compartment ( dikki) while she took bus from una and when she leave the at mullana she found only her one bag where as her another bag is not there and when she ask about another bag conductor refused that and said that she took only one bag and she creates issue then they find their bag in Chandigarh sector 17 bus stand control room she got their bag from sector 17 at 5 pm today but where is the conductor responsibility if they put bag in bus luggage compartment then its conductor responsibility. I only request you please took this complaint in serious way otherwise i have any option to do complaint against ur conductor