Rakesh Kumar Jain, J.

1. The questions involved in this revision petition are as under:-

i) Whether an advocate engaged by a party can authorize another advocate to appear for him if he is prevented by a reasonable cause from appearing and conducting the proceedings at any hearing?

ii) Whether an advocate, who appears on behalf of another advocate engaged by a party, can only plead and cannot act on behalf of the said party without a document in writing in his favour?

iii) Whether a sub-tenant cannot be ordered to be evicted only on the ground of non-payment of rent?

2. A few facts are required to be noticed in order to find out answer to the aforesaid questions. Bhai Manbir Singh and Bhai Mandeep Singh [hereinafter referred to as "landlords"] filed a petition under Section 13 of the East Punjab Urban Rent Restriction Act, 1949 [for short "the Act"] seeking eviction of M/s Good Luck Marketing Services Private Limited [hereinafter referred to as "tenant"], Munish Sharda and Aryans International [hereinafter referred to as "sub-tenants"] from the First Floor of SCO Nos.32-35, Sector 8-C, Madhya Marg, Chandigarh [hereinafter referred to as "demised premises"] on the ground of