GST inout Eligibility query.....

Mr. X  is a docter in government and he received amount as salary , he also have income from youtube channel (adsense), this salary is taxable under the head income from salary in income tax, but his youtube income is taxable under the head income from other sources in income tax, he also purchased some fixed asset for you tube channel, then Mr. X can claim input on such fixed asset?, is any relationship between income chargeble under the different head of income tax and GST input?