Dr. R. S. Aggarwal was born on 2nd January, 1946 in a village of Delhi. He graduated from Kirorimal College, Delhi. After completing his M.Sc. in Mathematics in 1969, he joined N.A.S. College, Meerut as a lecturer. In 1976, he was awarded a fellowship for 3 years and joined Delhi University for his Ph. D. Thereafter he was promoted as a reader in N.A.S. College, Meerut. In 1999 he joined M.M.H. College, Ghaziabad as a reader and took voluntary retirement in 2003. He has written 75 books ranging from Nursery to M. Sc. and for general competitions from clerical grade to I.A.S. levels.
(4.8 out of 5) 96% Customers recommended this product
Perfect for daily use. I am happy with this purchase.
My son loved it. Worth buying.
Good price compared to other websites. Value for money.
The product is genuine and works really well. Recommended.
Shopmarg never disappoints, fast delivery as always.
Excellent product and service. Will order again.
Product is good but packaging could be improved.
Overall satisfied, but expected faster shipping.
Average quality, expected a little better finish.
Very good quality product, exactly as shown in the picture.
Amazing quality, better than what I got from local stores.
Very useful, makes study/office work easier.
Exactly what I needed. Thank you Shopmarg team!.
Nice quality, though delivery was delayed by one day.
Item is useful but price is slightly high.
Arrived before the expected date, packaging was neat and safe.
Nice product, lightweight and easy to carry.
Good product, though the color/design was a bit different.
Product is fine, but delivery boy came late.
It’s okay, not very impressive but does the job.
  