1. WHAT?
   1. FOOD
   2. SHELTER
   3. OCCUPATIONS
      1. HUNTERS
      2. HERDERS
      3. FARMERS
      4. RULERS
      5. MERCHANTS
      6. PRIESTS
      7. CRAFTS PERSONS
      8. MUSICIANS
      9. ARTISTS
      10. SCIENTISTS
   4. ENTERTAINMENT
      1. STORIES
      2. PLAYS
      3. GAMES
      4. SONGS
   5. NAMES OF LANDS
      1. INDIA
         1. FROM INDUS
            1. SINDHU IN SANSKRIT
            2. IRANIANS AND GREEKS
            3. CAME THROUGH THE NORTH WEST (2500 YRS AGO)
            4. INDOS OR HINDOS
      2. BHARAT
         1. FROM BHARATA
            1. GROUP OF PEOPLE
            2. LIVED IN THE NORTH WEST
            3. MENTIONED IN RIG VEDA( 3500 YRS AGO)
2. WHERE?
   1. LIVE
      1. BANKS OF RIVER NARMADA
   2. GROW CROPS
      1. SULAIMAN AND KIRTHAR HILLS
      2. GARO HILLS IN THE NORTH EAST
      3. VINDHAYAS IN CENTRAL INDIA
         1. NORTH OF VINDHAYAS
            1. RICE GROWN FIRST
   3. EARLIEST CITIES
      1. BANKS OF RIVER INDUS AND ITS TRIBUTARIES(4700 YRS AGO)
      2. BANKS OF RIVER GANGA(2500 YRS AGO)
3. HOW?
   1. FINDING ABOUT THE PAST
      1. MANUSCRIPTS
         1. ON PALM LEAF
         2. ON THE BARK OF BIRCH TREE
            1. GROWS IN THE HIMALAYAS
         3. DEALT WITH
            1. RELIGIOUS BELIEFS AND PRACTICES
            2. MEDICINE AND SCIENCE
            3. LIVES OF KINGS
      2. INSCRIPTIONS
         1. WRITINGS ON HARD SURFACES
      3. ARCHAEOLOGY
         1. BONES
            1. ANIMALS
            2. BIRDS
            3. FISH
         2. ARCHAEOLOGISTS
            1. PEOPLE WHO STUDY OBJECTS OF THE PAST
         3. HISTORIANS
            1. SCHOLARS WHO STUDY THE PAST
4. WHEN?
   1. MEANING OF DATES
      1. BC - BEFORE CHRIST
      2. AD - ANNO DOMINI
      3. CE - COMMON ERA (INSTEAD OF AD)
      4. BCE - BEFORE COMMON ERA (INSTEAD OF BC)
      5. BP - BEFORE PRESENT
   2. BEGINNING OF AGRICULTURE
      1. 8000 YRS AGO