 NDL India: Logarithmic Corrections To Extremal Black Hole Entropy In N2, 4 And 8 SupergravityLogarithmic Corrections To Extremal Black Hole Entropy In N2, 4 And 8 Supergravity Logarithmic Corrections To Extremal Black Hole Entropy In N2, 4 And 8 SupergravityAuthor Gupta, Rajesh Kumar Lal, Shailesh Thakur, Somyadip 