4. Is there a ban on corporate donations to candidates?

"The candidates can raise fund from any source, as there is no restriction under the law on fund-raising by the candidates, nor there is any requirement to maintain and disclose the names and addresses of the persons from whom they are receiving the fund."

Source: Election Commission of India [2015], Background Paper on Political Finance and Law Commissions Recommendations. 

Companies in existence for less than three financial years are banned from donations. 

Source: The Companies Act, 2013