Purātattva.

no.1 1967/68; no.1 1967/1968; no.2 1968/69; no.2 1968/1969; no.3 1969/70; no.3 1969/1970; no.4 1970/71; no.4 1970/1971; no.5 1971/72; no.5 1971/1972; no.6 1972/73; no.6 1972/1973; no.7 1974; no.8 1975-76; no.9 1977/78; no.9 1977/1978; no.10 1978/79; no.10 1978/1979; no.11 1979/80; no.11 1979/1980; no.12 1980/81; no.12 1980/1981; no.13-14 1981-1983; no.15 yr.1984/1985; no.16 1985/86; no.16 1985/1986; no.17 1986/87; no.17 1986/1987; no.18 1987/1988; no.19 1988/89; no.19 1988/1989; no.20 1989/1990; v.21 1990-1991; no.22 1991/1992; no.23; no.24 1993/94; v.24 1993-1994; no.25 1994-1995; no.26 1995-1996; no.27 (1996/97); no.28 1997-1998; no.29 1998-1999; no.30 1999-2000; no.31 2000-2001; no.32 2001-2002; no.33 2002/2003; no.37 2006/2007; v.37 yr.2007; no.34(2003/2004); no.35(2004/2005); no.36(2005/2006)