Request for Profile evaluation and suggestion

Hello,
My profile
1) Basic demographic info:
Age : 25 years
Gender Male
Nationality : Indian

2) Educational Background & GMAT:
GMAT: 750 (Q:50,V: 40, AWA:4.0)
CGPA: 3.43/4
Electrical & Electronics Engg, 2006, From one of the premiere private Engineering College of India

3 years of experience (as on Aug 2009)
with early inclination towards Product development and Start-ups, worked with Telecom product Start-Ups (including my last semester engg internship), experienced both product and business sides of Technology Company. After 1.5 years post Engg working with Start-up, joined a leading MNC Telecom Product Co. as R&D Engineer. No specific role of Leader but have led few assignments at work with team 3-4 people.

3) Extracurriculars: Not very strong but consider competitive.
Sports (School/College level, Cricket , Lawn Tennis), Student representative of College chapter of a National Technical Institution like IEEE ( Oraganised various Seminars and guest Lectures, Initiated few student activities from Career Placement point of view). Member of LITERARY & DEBATE College Club ( Organised and Participated in various Club events).
Participated in Entrepreneurship Camp Organised by State Govt.
Won various College level Quiz competitions.
Currently member of Innovation Focus Group , at work ( Which works towards innovation and nurtures creative ideas among different product teams)

4) Short/Long term goals:
Want to major in Strategic Management and Consulting, work at international location for 5-7 years and gain experience in strategy and mangement, and start my own venture with my exp and contacts. Not interested in Finance, So specifically looking for Schools strong in Strategic management and consultancy.
Based on preliminary research i have shortlisted a few schools but would like to know your opinion on it
Long Shot: MIT Sloan, ROSS Michigan, Kellogg
Should Try: CMU Tepper, Duke, Texas-Austin: McCombs
Given my inclination towards Management and Consultancy ( Not Finance) i also tried to explorer more for Schools
UCLA Anderson, UCBerkely HAAS but could not reach to any conclusion.

As i understand in my category it is very competitive but:
1. I would be grateful if you could provide your opinion on these schools or on some other schools as per my career interest and my chances to get an admit.
2. Although informally i have been involved in various community and social services but never sought any certificates in that respect. How much is it important to show all these certificates ?
3. I am also willing to wait one more year and work on my profile from leadership, promotion, Non-Technical exp./ role ( Pre-sales/ Business Development) point of view. Please suggest how much difference each would make on my candidacy in next one year or should i go for this year & see how it goes ?

Thanks