A collapsible free standing exercise apparatus, the apparatus comprising: - first and second pairs of first and second hollow vertical bars (102, 104, 106, 108), the first pair of hollow vertical bars separated from the second pair of hollow vertical bars by a predetermined distance via first and second connector bars (110, 112), the first connector bar removably fastened at a lower portion of the first hollow vertical bar of the first pair and the first hollow vertical bar of the second pair and the second connector bar removably fastened at a lower portion of the second vertical bar of the first pair and the second vertical bar of the second pair, wherein the first and second hollow vertical bars of the first pair are inclined to each other and the first and second hollow vertical bars of the second pair are inclined to each other, wherein a first upper vertex joint is defined on the first and second hollow vertical bars of the first pair and wherein a second upper vertex joint is defined on the first and second hollow vertical bars of the second pair; - a first handle bar removably fastened to each of the first and second upper vertex joints, wherein the first handle bar is usable by a first user to perform body weight exercises; - a second handle assembly removably fastened between the first and second pairs of first and second hollow vertical bars at a predetermined position, wherein the second handle assembly comprises: - a second handle bar, wherein the second handle bar is usable by a second user to perform body weight exercises; - first and second support sections respectively disposed at distal ends of the second handle bar, wherein the first support section is removably fastened across the first and second hollow vertical bars of the first pair and the second support section is removably fastened across the first and second hollow vertical bars of the second pair; wherein each hollow vertical bar comprises a height adjusting mechanism to selectively adjust the position of the second handle assembly on the hollow vertical bars; wherein each support section comprises a plurality of smaller sections slidable into each other, wherein the smaller sections are fastened to adjust the length of the support section; and - first and second adjustable bars with collapsible sections (126, 128), the first adjustable bar removably fastened to the first and second hollow vertical bars of the first pair and the second adjustable bar removably fastened to the first and second hollow vertical bars of the second pair at another predetermined position to adjust a distance between the first and second hollow vertical bars within each pair, wherein each adjustable bar comprises plurality of holes to receive a pin member to selectively adjust the length of the adjustable bar, wherein the distance between the first and second hollow vertical bar within the first and second pairs is adjusted. - first and second pairs of first and second hollow vertical bars (102, 104, 106, 108), the first pair of hollow vertical bars separated from the second pair of hollow vertical bars by a predetermined distance via first and second connector bars (110, 112), the first connector bar removably fastened at a lower portion of the first hollow vertical bar of the first pair and the first hollow vertical bar of the second pair and the second connector bar removably fastened at a lower portion of the second vertical bar of the first pair and the second vertical bar of the second pair, wherein the first and second hollow vertical bars of the first pair are inclined to each other and the first and second hollow vertical bars of the second pair are inclined to each other, wherein a first upper vertex joint is defined on the first and second hollow vertical bars of the first pair and wherein a second upper vertex joint is defined on the first and second hollow vertical bars of the second pair; - a first handle bar removably fastened to each of the first and second upper vertex joints, wherein the first handle bar is usable by a first user to perform body weight exercises; - a second handle assembly removably fastened between the first and second pairs of first and second hollow vertical bars at a predetermined position, wherein the second handle assembly comprises: - a second handle bar, wherein the second handle bar is usable by a second user to perform body weight exercises; - first and second support sections respectively disposed at distal ends of the second handle bar, wherein the first support section is removably fastened across the first and second hollow vertical bars of the first pair and the second support section is removably fastened across the first and second hollow vertical bars of the second pair; - first and second adjustable bars with collapsible sections (126, 128), the first adjustable bar removably fastened to the first and second hollow vertical bars of the first pair and the second adjustable bar removably fastened to the first and second hollow vertical bars of the second pair at another predetermined position to adjust a distance between the first and second hollow vertical bars within each pair, wherein each adjustable bar comprises plurality of holes to receive a pin member to selectively adjust the length of the adjustable bar, wherein the distance between the first and second hollow vertical bar within the first and second pairs is adjusted.