NCERT
Ncert
Rukmini Prakashan by- navin kumar singh
Rukmini Prakashan Team (Author)
Ashish Publication
by Aditi Mishra Vishnu Prabhakar (Author)
Gyanendra Publication
BSEB NCERT
Sudheer Lal
सम-सामयिक घटना चक्र
Kiran Institute of Career Excellence Pvt. Ltd
MICHAEL B. SMITH
ALLEN
RWA
Dr. P. JAYA RAMI REDDY
Kamal Singh, Roshan Sinha
K.c.sinha
H.C.Verma
Al Sweigart
डॉक्टर वासुदेव नंदन प्रसाद
डॉ . के .एन. अग्रवाल
Arihant
प्रसाद .सिन्हा .अशोक
A.W.JOSHI
K.c sinha
...
....
SP Bakshi
Sahni Arshad
A.W . Joshi
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Neetu singh (KD Publication)
विनोद कुमार मिश्र
E. BALAGURUSAMY
R K SINHA
R.K Bhagat
Acharya prashant
by(NCERT)
Arihant Experts
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Ankit Bhati Sir
Ramesh Soni
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Arun kumar
Ritesh Kumar
NCERT (Author)
Arvind Kumar Varma