India, Oct. 2 -- Shedding kilos isn't just about cutting calories or spending hours at the gym, it's about making small, manageable changes that your body can sustain over time. Celebrity fitness trainer Siddhartha Singh, who has trained stars like Tamannaah Bhatia, shares in his August 24 Instagram post 3 healthy habits to help shed upto 5-10 kg in 90 days. (Also read: Ranbir Kapoor's fitness trainer shares 5 reasons why many people fail to lose weight: 'The key is to keep challenging.' )

"Have you lost weight and gained it back? It's because you never worked on building healthier habits! Invest time in building habits and fat loss will become a walk in the park," Siddhartha wrote in the captions.

Siddhartha says in his post that follo...