Visitor Visa Application - Second Attempt

[vibha7]

Hi, my brother applied for visitor Visa with my grad walk invitation letter in 2014. His visa got rejected as he was on an employment break to pursue PhD but later didn't join PhD. He continued with his previous job (senior product specialist and business communications trainer) after 3 months break. He was single and 29 years old at that time. I was his sponsor when he applied first time. 

He currently earns 30,000 INR per month and has 5 lakhs plus in his bank account. He is 31 years old now, married and has a son of 1.5 years old. 

He is trying for visitor visa second time. I have a 3 month old daughter. What is the recommended travel reason in this situation for better acceptance chances. 

1) Meeting 3 month old niece. Use my invitation letter with my assurance that he will return to India. Self sponsor. 

2) Apply through a travel agency as part of a group travel. Assurance by travel agency that he will return to India. Self sponsor. 

I heard that option 2 has better chances as the travel agency will take responsibility. Is that true? Appreciate your help