▁to ▁introduce ▁himself ▁as ▁" K h als a ". ▁In ▁ 2 0 0 3 , ▁he ▁was ▁made ▁the ▁J athed ar ▁of ▁Tak ht ▁Sri ▁Dam d ama ▁Sah ib . ▁In ▁ 2 0 0 7 , ▁G ur me et ▁Ram ▁Rah im ▁Singh , ▁head ▁of ▁D era ▁Sach a ▁Sa uda ▁had ▁appeared ▁in ▁an ▁advert is ement ▁dressed ▁up ▁as ▁G uru ▁G ob ind ▁Singh , ▁ 1 0 th ▁S ikh ▁g uru . ▁This ▁resulted ▁in ▁a ▁w ides p read ▁cl ash es ▁between ▁D era ▁follow ers ▁and ▁S ik hs . ▁N and gar h ▁formed ▁a ▁S ikh ▁group ▁called ▁Ek ▁No or ▁Kh als a ▁F au j ▁to ▁stop ▁the ▁religious ▁gather ing ▁of ▁D era ▁Sach a ▁Sa uda . ▁ ▁Nan ak sh ah i ▁calendar ▁N and gar h ▁has ▁supported ▁the ▁ 2 0 0 3 ▁version ▁of ▁Nan ak sh ah i ▁calendar , ▁a ▁solar ▁calendar ▁also ▁known ▁as ▁the ▁M ool ▁Nan ak sh ah i ▁Calendar ▁created ▁by ▁Pal ▁Singh ▁P ure wal ▁to ▁determine ▁the ▁dates ▁for ▁various ▁S ikh ▁events . ▁In ▁ 1 9 9 9 ▁, ▁this ▁calendar ▁was ▁adopted ▁by ▁S G PC , ▁replacing ▁the ▁lun ar ▁B ik ram i ▁calendar . ▁However , ▁the ▁Nan ak sh ah i ▁calendar ▁created ▁some ▁confusion , ▁as ▁the ▁dates ▁of ▁some ▁festiv als ▁such ▁as ▁Hol i ▁and ▁Di w ali ,