Rule 6 of CPC : Rule 6: Joinder of parties liable on same contract.

Explanation using Example

Example 1:

Ravi lent Rs. 1,00,000 to three friends, Suresh, Mahesh, and Ramesh, under a single promissory note. According to the terms of the note, all three friends are jointly and severally liable to repay the amount. When the repayment date arrives, none of the friends repay the loan. Ravi decides to file a lawsuit to recover his money. Under Rule 6 of the Code of Civil Procedure 1908, Ravi can choose to sue Suresh, Mahesh, and Ramesh together in one suit, as they are all liable under the same contract.

Example 2:

Anita, a businesswoman, entered into a contract with a partnership firm consisting of three partners: Ajay, Vijay, and Sanjay. The contract was for the supply of goods worth Rs. 5,00,000. The contract stipulated that all partners are jointly and severally liable for the payment. The firm failed to make the payment on the due date. Anita can file a single lawsuit against Ajay, Vijay, and Sanjay under Rule 6 of the Code of Civil Procedure 1908, as they are all liable under the same contract.