Tax management 😮‍💨

Hello Gviners need quick advice How do you manage taxes and ITR topics Usecase is as below

• Need to file ITR3
• salaried employee 33 base + 3 variable
• Gains from tradeing
• Gains from divident
• Gains from rental property
• did some gifts to parents
• HRA limits fully utilised
• Tai has already consumed my 4.7 lakhs
• 80C+NPS+PPF+Elss limits exhausted
• don't want to fake 80G and call unnecessary trouble
• 🤔 I am wondering if I can claim expenses for my trading such as rent / power / office helper salary under section 37 even if I am myself salaried person.