Thank you, sorry to be a pain BUT does Immigration rules accept the sponsor being on benefits? Please Clarify. Thank you again.

Dear All I'm a new member and can someone with indepth knowledge of Immigration,please help me out. Any help would be kindly appreciated. Me-UK Citizen, Married to Srilankan national with a child and my wife and the step child lives in Srilanka. I don't work due to long time illness and receive PIP ...