Pensions to be taxed as Salary?

Pensions are taxed under the head 'Salaries'. The of standard deduction is also available on them.
WHAT IS THE PLACE OF ACCRUAL OF SALARY?
The golden rule is that it accrues where the service is rendered. Leave salary paid to a person employed in India on leave to a foreign country is treated to be the arisen in India. However, if a citizen of India service outside India and receives salary from the of India, it would be taxable as salary to have accrued in India.

IS RELATIONSHIP OF EMPLOYER AND EMPLOYEE NECESSARY ?
No, payment can be taxed under this section unless the relationship of employer and employee exists between the payer and payee. The employer and employee relationship is the relationship of a master and servant, and it distinctly differs from that existing between a principal and agent. Primarily, the degree of control of the employer over the employee would be a deciding factor, as the agent is generally not under the complete Control and supervision of his principal.
That is why even the emoluments received by an Member if Parliament/ M.L.A. are not taxable under the head "Salary" because of the absence of employer and employee relationship.