NOVELTY - A self-sustainable integrated solid and liquid waste management, treatment, and energy generation system, comprises: feed preparation module adapted to receive waste feed and further to segregate received waste feed; energy production module adapted to receive prepared feed from feed preparation module and further to generate biogas (10), electrical power, and fertilizer; and auxiliary processing module adapted to receive hot exhaust gas, organic digestate, hot condensate water (3), organic fertilizer, cold storage propelling refrigerant, processed water and residue feeds.    USE - As self-sustainable integrated solid and liquid waste management, treatment, and energy generation system (claimed); for treating liquid waste, solid waste, waste oil, used oil, sewage, organic solid waste, biomass, agriculture waste; for producing energy and byproducts such as electrical power, organic fertilizer, and cold water or converting it into useful products such as hydrocarbon, electrical power, fertilizer, cold storage, green house and useable treated water.    ADVANTAGE - The system protect environment; reduce CH4 emission; provides useful energy, organic fertilizer and water to the community; provide a sustainable waste disposal waste management, and subsequent energy production and useful byproduct generation activity; and provide a revenue generating mechanism for a defined portion of the community.    DETAILED DESCRIPTION - A self-sustainable integrated solid and liquid waste management, treatment, and energy generation system, comprises: feed preparation module adapted to receive waste feed and further adapted to segregate the received waste feed, where the feed preparation module further comprises Waste Oil Treatment Process Module adapted to receive and process waste oil (1) to obtain a first portion of refined oil and to obtain a remainder second portion of residue oil and also to obtain hot condensate water (3), Sewage and Liquid Organic Effluent Treatment Module adapted to receive and treat sewage and liquid organic effluent to obtain concentrated organic liquid effluent and dilute organic liquid effluent, Solid Organic Waste Treatment Module adapted to receive and treat solid waste, agro waste, and biomass to obtain a first portion of organic feed and to obtain a remainder second portion of inorganic wastes; energy production module adapted to receive prepared feed from the feed preparation module and further adapted to generate biogas (10), electrical power, and fertilizer, the energy production module further comprises Biomethanation and Anaerobic Digestion Module adapted to receive and process the organic feed, the oil residue, the concentrated organic liquid effluent, concentrated liquid reverse osmosis effluent in order to obtain biogas and organic fertilizer digestate, Biogas Cleanup Module (BCM) adapted to receive and filter the biogas in order to obtain hydrogen and moisture-free dry biogas for use as fuel and to obtain sulfur to be mixed with the organic fertilizer digestate, Pilot Fuel/Duel Fuel Biogas Engine Generator Module adapted to receive and process the refined oil and the clean biogas in order to obtain electrical power and hot exhaust gas; auxiliary processing module adapted to receive hot exhaust gas, organic digestate, hot condensate water in order to obtain gas for green house, organic fertilizer, cold storage propelling refrigerant, processed water and residue feeds, where the auxiliary processing module further comprises Biogas Engine Exhaust Gas Waste Heat Recovery Module adapted to receive the hot exhaust gas to obtain high temperature and high pressure steam which is further processed to obtain gas for green house with high carbon-dioxide content, Organic Fertilizer Module adapted to receive and process the organic digestate consisting of solid and liquid components and steam in order to obtain organic fertilizer, hot condensate water, and a liquid component, Vapor Absorption Chiller and Cold Storage Module adapted to receive hot condensate water for conversion into refrigerant chilled water to propel a cold storage and to obtain warm water as a by-product, and Reverse Osmosis Waste Water Treatment Module adapted to receive and process the diluted liquid effluent and the liquid component by a reverse osmosis unit in order to obtain a first portion of processed water, a remainder first portion of recycled water, and a remainder second portion of residue feeds. An INDEPENDENT CLAIM is included for a self-sustainable integrated solid and liquid waste management, treatment, and energy generation method, involving: feed preparation method adapted to receive waste feed and further adapted to segregate the received waste feed; energy production method adapted to receive prepared feed from the feed preparation module and further adapted to generate biogas, electrical power, and fertilizer; and auxiliary processing method adapted to receive hot exhaust gas, organic digestate, hot condensate water in order to obtain gas for green house, organic fertilizer, cold storage propelling refrigerant, processed water and residue feeds.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of a self-sustainable integrated solid and liquid waste management, treatment, and energy generation system.    Waste oil (1)    Vacuum evaporator (2)    Hot condensate water (3)    Residue (4)    Vacuum pump (6)    Biogas (10)    Organic solid waste (22)