Make sauce with tomato puree, ginger garlic paste, salt/peper, lemon juice(if you have), vinegar, soysauce, hot sauce, all purpose flour. You start the sauce with oil and ginger/garlic as base. Then add like 2 tbsps of all purpose flour, stir it, then add tomato puree and rest of the stuff and let it simmer for few mins. Then add shrimps and let them cook for five mins. Add the pasta, incorporate all the pasta in the sauce. Simmer for 5-10 mins. Sprinkle some chopped cilantro and parmesan cheese(if you have)
If you want, you can add vegis too, stir fry your regular mix vegis or any vegis of your choice, add them to the sauce with shrimps.