Repeated Topics (Same question is not repeated but question is asked on same topic)
Q.66 in 1979 paper is same as Q.01 in 2013 paper (Money Bill)
Q.42 in 1997 paper is same as Q.04 in 2013 paper (Badami caves)
Q.102 in 1997 paper is same as Q.04 in 2013 paper (Badami caves)
Q.177 in 1979 paper is same as Q.04 in 2013 paper (Ellora has been asked many times - you will find in options if not in question)
Q.05 in 2013 paper ( genetic engineering asked so many times in different ways - you will find yourself)
Q.06 in 2013 paper (Hieun Tsang has appeared in 2004, 1983, 1985, 1986, 1999 papers)
Q.144 in 1981 paper is same as Q.14 in 2013 paper (season question)
Q.150 in 1981 paper is same as Q.14 in 2013 paper (season question)
Q.30 in 1991 paper is same as Q.14 in 2013 paper (season question)
Q.90 in 1982 paper is same as Q.15 in 2013 paper (Narmada question)
Q.88 in 1983 paper is same as Q.15 in 2013 paper (Narmada question) - (You will find Narmada at many places in past papers)
Q.51 in 2012 paper is same as Q.25 in 2013 paper (PESA Act question)
Q.37 in 2013 paper (Buddhism question) Buddhism has been asked in 1994, 1995, 1996, 1997, 1998, 2010, 2012
Q.40 in 2013 paper (Quit India question) has been asked repeatedly so many times in different ways.
Q.41 in 2013 paper (Balance of payments question) has been asked in different ways a couple of times.
Q.42 in 2013 paper (RBI question) has been asked in different ways at different places.
Q.49 in 2013 paper (photochemical smog question) has been asked in 2003 at Q.No. 118
Q.51 in 2013 paper (public accounts committee question) has been asked in 2007 at Q.No. 09
Q.67 in 2013 paper (disguised unemployment question) has been asked in 1992 at Q.No. 33
Q.72 in 2013 paper (thunder storm question) has been asked in 2002 at Q.No. 09
Q.78 in 2013 paper (demographic dividend question) has been asked in 2011 at Q.No. 29
Q.98 in 2013 paper (National Development Council question) has been asked in 1986 at Q.No.31
Q.81 in 1980 paper is same as Q.68, statement 1 in 2013 paper & Q.18 in 1982 paper is same as Q.68, statement 1 in 2013 paper