P.hd. In Chemistry

My educational life:
Done M.Sc. in Chemistry in 2006,2 years of job experience in Corporate sector,Done MBA in CRM and HR from SCDL,Pune in 2014
Now taking home and online tuitions of Chemistry, 2 years of experience of teaching, Want to grow with teaching career only and want to go for p.hd. in Chemistry;but
due to family problem;unable to do regular course.As in regular course, college attendence is must
Is it worth to do p.hd.through correspondance(Bhoj University,Bhopal).
Is there any other university also;which provides correspondance course for p.hd.
For p.hd. from Bhoj Open University, needs mentor to help in research work. In Delhi, how to find that

As far as I know, one can do a PhD by part-time mode, but not distance learning, which also requires attendance. I wonder how one can do practical experiments without attending a well equipped lab. It's not a subject like management in which you can do surveys using postal or internet questionnaire, etc.