BELGAUM, Monday - Sri Lanka A suffered an innings and 205 runs defeat at the hands of India A in the first 4-day unofficial test played at the Union Gymkhana grounds here on Monday.Facing a huge Indian first innings score of 622-5 declared, Sri Lanka batsmen succumbed to the leg-spin of Rahul Chahar who ended with match figures of eight for 123 to be bowled out twice after following-on for scores of 232 and 185.