Zikar-e-Qalbi which is also known as Zikar-e-khafi or silent

zikr ''Dhikr'' ( ar, ذِكْر}, , also spelled ''Zikr'', ''Thikr'', ''Zekr'', or ''Zikar'', literally meaning "remembrance, reminder" or "mention") is a form of Islamic meditation in which phrases or prayers are repeatedly chanted in order to remem ...

, is being practiced by Naqshbandi Sufi followers. This way of zikar,

Dhikr ''Dhikr'' ( ar, ذِكْر}, , also spelled ''Zikr'', ''Thikr'', ''Zekr'', or ''Zikar'', literally meaning "remembrance, reminder" or "mention") is a form of Islamic meditation in which phrases or prayers are repeatedly chanted in order to remem ...

ذکر, focuses on remembering Allah in one's heart. One has to feel that his heart is saying Allah, Allah, Allah, all the time day or night, standing or sitting, talking or while doing any work.Remembering Allah (The only God), An Excerpt from Jalwagah-e-Dost (جلؤہ گاہ دوست), {{cite web, url=http://www.islahulmuslimeen.org/zikr-in-detail.asp , title=Zikr: Jamaat Islah-ul-Muslimeen , access-date=April 17, 2009 , url-status=dead , archive-url=https://web.archive.org/web/20090601201749/http://www.islahulmuslimeen.org/zikr-in-detail.asp , archive-date=June 1, 2009

References

Sufi philosophy