ITC under GST - Goods and Services Tax - GST

Dear Team, At the outset, I would like to share our company details and activities. We operates on a Pan-India basis, in over 90 cities, in the areas of statutory compliance, compliance audit, PF, ESI and benefits management, payroll management and POSH training and compliance. The above mentioned areas are the core activities of our company. Parallelly, we are investing a part of business funds (which is generating from the main services) in shares and we are paying lots of share trading charges. The GST amount pertaining to the share trading charges are reflecting in our GSTR-2B . Can we claim ITC of GST amount which are generating from the share trading and reflecting in our GSTR-2A 2B . Please share your expertise with sections and provisions.