With less than two weeks to go for Stimac's first assignment, he said that he was concerned about the defence, and the lack of options, particularly at centre-back.
The 51-year-old Stimac, who was part of Croatia's 1998 World Cup squad that finished third in France, was on Wednesday officially appointed as head coach of the Indian team.
Chhetri is also of the opinion that the only aim of all three -- federation, players and new coach - is to keep India progressing.
All India Football Federation (AIFF) president Praful Patel also congratulated the women's side on its success.
The match on Thursday mattered little as both Bengaluru FC and FC Goa had already qualified for the playoffs.
The 34-year-old Sunil Chhetri was Friday conferred the first ever Football Ratna honour by Football Delhi, the association governing the sport in the city.
The Indian football team captain also added that he has learnt a lot from Virat Kohli.
Chhetri, the second highest goal-getter (among current players) in international football after Cristiano Ronaldo, was among the nine sports persons to be honoured with the Padma Shri award.
The two-time World champion cricketer, national football captain and reigning Asian Games champion wrestler all took to social media.
India captain Sunil Chhetri led his team of unlikely Vikings in a lusty thunderclap after the Blue Tigers thrashed Thailand 4-1 in Abu Dhabi.
India face Bahrain on Monday in their final group stage match and a victory will ensure the Blue Tigers a spot in the Round of 16.
UAE moved top of the table in Group A with four points from two matches while second-placed India still remained in the hunt for a knockout berth with three points from two outings.
India not only managed to shut down a lethal Thai attack after being tied 1-1 at the break, but also threatened at the other end through quick transitions in attack.
Chhetri scored a brace in that match with India pumping in three goals in the second half which left Thailand, who were dominating the first session, shell-shocked.
As he sat at the Al Nahyan Stadium in Abu Dhabi, IM Vijayan could feel a tinge of electricity surging through his spine.