You can make your pencil draws progressively exact by watching the reference picture. All portrayals depend on surface and structure to achieve the right surface and arrangement. On must get the craftsmanship stream on a space. In the event that one keeps up that stream it will make it look better. Exactness and authenticity will in a flash accompany a last advance called practice. Well I'm additionally a practitioner of f workmanship despite everything i'm dealing with my specialty, my representations ain't that extraordinary yet you can view them. Even for things like Ganesha drawings and fan art of famous people like actors Indian cricket captain study different photos from various angels and the proportions. In case of Ganeshji sketches be careful that you make it realistic in respectful way.
I completely agree about the Ganeshji sketches! But more to the point, blending is the key to making realistic sketches. Hindu gods even though they are fantastical have very natural quality to them, so even they have expressive eyes, which is why study
Blend the strokes well. Mixing just finishes 60% of the entire illustration. Attempt to have any kind of effect among light and dark. also, make SHADOWS. Use eraser to give effects not just to correct your mistakes. Check out the detailing in the works of other artists. There are some stunning sketches eyes on this site itself that you can take inspiration from! You can use colored pencils if you like to make the play of light more obvious. Or use watercolor pencils to create watercolor drawings too. Attempt to blur out things that you believe are not significant. Make an enormous effort of detailing on the things that you believe are significant. Consider hair and wind directions when drawing. Usually in a drawing and painting of girl, people forget that they have strands and texture in them.
There are many ways to make a sketch realistic like: 1.) Grid Technique: In this technique, we break the subject into bite by bite and draw the whole drawing by joining it 2.) Sighting and measuring: In this method, we sight the object and measure it by a tool or if not by pencil. Using the pencil for the measurement is the best option. In this method, we use the pencil holding in our hand and by measuring the object we draw it. 3.) By identifying basic shapes: In this technique, we break object by basic shapes like square triangle and circle. By joining it we get the full drawing.