New Delhi, Feb. 27 -- Former India Captain Anil Kumble believes India's experimentation over the past 18 months has strengthened their T20 depth, while former South Africa skipper Faf du Plessis highlighted potential tactical vulnerabilities on flat pitches.

Kumble pointed out that India's strategy of using part-time bowling options has provided balance and flexibility.

After India's five frontline bowlers - Arshdeep Singh, Jasprit Bumrah, Varun Chakravarthy, Hardik Pandya and Axar Patel, Shivam Dube has operated as the sixth option, while Abhishek Sharma and Tilak Varma are also potential to bowl an over or so.

However, Dube's bowling figures in the ongoing T20 World Cup are far from flattering: in 9.2 overs, he has conceded 124 runs ...