India tops AIU ineligible list with 148 track and field athletes suspended, surpassing Kenya; Russia ranks third with 66
High-profile bans include Dutee Chand (4 years), Parvej Khan (6 years), and Sekar Dhanalakshmi (8 years)
AFI tightens anti-doping measures, mandating coach registration, monitoring training centres, and decentralising national camps