Advanced Calculus -Jacobian

Advanced Calculus-Evolute

Advanced Calculus-Envelope

Maxima and minima of functions of two variables

Lagrange's method of undetermined multipliers

Calculas of Variations

Calculas of Variations Lecture-2

Projectile B Sc 2nd yr paper 3rd by Dr. K K Dewangan

Central orbit B Sc 2nd yr mathematics paper 3rd by Dr. K. K. Dewangan