Nykaa has sued its former Chief Business Officer (CBO) Gopal Asthana, who is currently Tata CLiQ's CEO, for allegedly violating his employment contract, Economic Times reported. Nykaa claimed Asthana approached several Nykaa employees to join Tata CLiQ, the report added. Asthana has been accused of breaching confidentiality, misappropriating proprietary data and seeking to harm Nykaa's business.