**Author details**

Ajay K. Vashisht1\* and Shri K. Shakya2

\*Address all correspondence to: akvashisht74@yahoo.com

1 Department of Soil and Water Engineering, College of Agricultural Engineering and Post‐ Harvest Technology, Central Agricultural University, Ranipool, Sikkim, India

2 Department of Soil and Water Engineering, College of Agricultural Engineering and Tech‐ nology, Punjab Agricultural University, Ludhiana, Punjab, India
