Jagannath Ganeshram Agarwala v. Shivnarayan Bhagirath and Ors. AIR 1940 Bombay 247

the liability of the surety is co-extensive, but is not in the alternative. Both the principal debtor and the surety are liable at the same time to the creditors.

Halsbury's Laws of England, Fourth Edition,Vol. 20, paragraph 159 at page 87

"it is not necessary for the creditor, before proceeding against the surety, to request the principal debtor to pay, or to sue him, although solvent, unless this is expressly stipulated for".

Lachhman Joharimal v. Bapu Khandu and Tukaram Khandoji (1869) 6 Bombay High Court Reports 241

a creditor is not bound to exhaust his remedy against the principal debtor before suing the surety and that when a decree is obtained against a surety, it may be enforced in the same manner as a decree for any other debt.