Scientific world
- New Delhi: World Federation of Scientific Workers(Delhi regional centre)
- v.p.
Sanction dt.22/01/1983(wdr no.1805-07;acc.no.5006-08)
Sanction dt.22/01/1983(wdr no.1810;acc.no.6061)
Sanction dt.22/01/1983(wdr no.1811;acc.no.7797)
Sanction dt.22/01/1983(wdr no.1813-14;acc.no.9939-40)
Sanction dt. 22/01/1983(wdr no.1815;acc.no.11754)
Sanction dt. 22/01/1983(wdr no.1816-18;acc.no.14661-63)
Sanction dt. 22/01/1983(wdr no.1812;acc.no.15192)
Lib./WDR/1/2019-20 dt.27.06.2019(acc.nos.25274,25278-25283)