Just an update on this, I went ahead with this reference and I got my naturalisation. Just to let you know, it seems if naturalisation team is not happy with the reference they will send a letter and will ask you to provide another refree.

Hi, I am applying for naturalisation, I would like to know if a mechanical engineer with masters degree in the UK can act as professional refree. He is not a chartered engineer or member of any professional body but he is a mechanical engineer by profession and official job title. I have checked req...

dear all,
i have got a ccj from an unknown source and problem is i did not receive any court notices on investigating i came to know that my ex-landlord issued it against me. Now do i have to declare this in my visa application? although i was totally unaware of what happened.