Yes, employees would need to be paid during the period of the lockdown.
The Central Government has issued a circular stating that if the place of employment is made non-operational due to COVID-19, the employees of such unit will be deemed to be on duty.
Similar directives have been issued by State Governments in Karnataka, Haryana, and Maharashtra. In the States of Telangana and Uttar Pradesh, the government has directed all shops and establishment other than those exempted from the lockdown shall be closed during notified lock down period and that such days shall be declared as paid holiday for all categories of employees.